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ASTRONOMICAL UNIT

  • Astronomical unit
  • Mean distance between Earth and the Sun

    The astronomical unit (symbol: au or AU) is a unit of length defined as 149597870700 m. Historically, the astronomical unit was conceived as the average

    Astronomical unit

    Astronomical unit

    Astronomical_unit

  • Astronomical system of units
  • System of measurement developed for use in astronomy

    The astronomical system of units, formerly called the IAU (1976) System of Astronomical Constants, is a system of measurement developed for use in astronomy

    Astronomical system of units

    Astronomical_system_of_units

  • Parsec
  • Unit of length in astronomy

    The parsec (symbol: pc) is a unit of length used to measure the large distances to astronomical objects outside the Solar System, approximately equal to

    Parsec

    Parsec

    Parsec

  • Angstrom
  • Unit of length

    unit is spelled. However, "A" or "A.U." (not to be confused with an astronomical unit, which has the same initials and therefore abbreviation) may be used

    Angstrom

    Angstrom

    Angstrom

  • Gaussian gravitational constant
  • Constant used in orbital mechanics

    in radians per day follows by setting Earth's semi-major axis (the astronomical unit, au) to unity, k [rad/d] = (GM☉)0.5·au−1.5. A value of k = 0.01720209895

    Gaussian gravitational constant

    Gaussian gravitational constant

    Gaussian_gravitational_constant

  • Speed of light
  • Speed of electromagnetic waves in vacuum

    with timing measurements to determine a value for the astronomical unit (AU). The astronomical unit was redefined in 2012 as exactly 149597870700 m. This

    Speed of light

    Speed of light

    Speed_of_light

  • Unit of length
  • Reference value of length

    distance between the center of Earth and the center of the Moon. astronomical unit au. Defined as 149597870700 m. Approximately the distance between

    Unit of length

    Unit of length

    Unit_of_length

  • Astronomical constant
  • Any of several physical constants used in astronomy

    constant of gravitation which allow transformations between astronomical units and SI units. Slightly different values for the constants are obtained depending

    Astronomical constant

    Astronomical_constant

  • Kilometre
  • Unit of length equal to 1,000 metres

    traveled Metric prefix Orders of magnitude (length) Square kilometre One astronomical unit is defined as exactly 149597870700 m. A light-year is equal to 9

    Kilometre

    Kilometre

    Kilometre

  • Lunar distance
  • Distance from center of Earth to center of Moon

    flight more than two weeks. Around 389 lunar distances make up an astronomical unit (roughly the distance from Earth to the Sun). Lunar distance is commonly

    Lunar distance

    Lunar distance

    Lunar_distance

  • Year
  • Unit of time based on Earth's orbit

    a unit of time defined as 365.25 days, each of exactly 86400 seconds (SI base unit), totaling exactly 31,557,600 seconds in the Julian astronomical year

    Year

    Year

    Year

  • Cosmic distance ladder
  • Succession of methods by which astronomers determine the distances to celestial objects

    the ancient Greeks. Direct distance measurements are based upon the astronomical unit (AU), which is equal to 149597870700 m and historically was conceived

    Cosmic distance ladder

    Cosmic distance ladder

    Cosmic_distance_ladder

  • Light-year
  • Distance that light travels in one year

    alternatively spelled light year (ly or lyr), is a unit of length used to express astronomical distances and is equal to exactly 9460730472580.8 km

    Light-year

    Light-year

    Light-year

  • Canonical units
  • corresponding time unit is the (sidereal) year)), and the mass is the total mass of the Sun (M☉). Astronomical unit Conversion of units Technically, the

    Canonical units

    Canonical_units

  • Au
  • Topics referred to by the same term

    10−10 m or 0.1 nanometre. Astronomical unit, a unit of length used in planetary systems astronomy Arbitrary unit, a placeholder unit for when the actual value

    Au

    Au

  • Atomic units
  • System of measurement

    Atomic units are often abbreviated "a.u." or "au", not to be confused with similar abbreviations used for astronomical units, arbitrary units, and absorbance

    Atomic units

    Atomic_units

  • Unit
  • Topics referred to by the same term

    Natural unit, a physical unit of measurement Geological unit or rock unit, a volume of identifiable rock or ice Astronomical unit, a unit of length roughly between

    Unit

    Unit

  • International System of Units
  • Modern form of the metric system

    The International System of Units, internationally known by the abbreviation SI (from its official French name, Système international d'unités), is the

    International System of Units

    International System of Units

    International_System_of_Units

  • Solar radius
  • Unit of measurement

    its equator; and 1 215 {\textstyle {1 \over 215}} or 0.0047 of an astronomical unit, the approximate average distance between Earth and the Sun. The solar

    Solar radius

    Solar_radius

  • Ephemeris
  • Table of positions of astronomical objects at given times

    a book with tables that gives the trajectory of naturally occurring astronomical objects and artificial satellites in the sky, i.e., the position (and

    Ephemeris

    Ephemeris

  • Astronomical engineering
  • Form of megascale engineering

    Engineering on an astronomical scale, or astronomical engineering, i.e., engineering involving operations with whole astronomical objects (planets, stars

    Astronomical engineering

    Astronomical_engineering

  • TAU (spacecraft)
  • Cancelled NASA space probe to travel 1000 AU from the Sun

    TAU (Thousand Astronomical Units) was a proposed uncrewed interstellar probe that would go to a distance of one thousand astronomical units (1000 AU) from

    TAU (spacecraft)

    TAU (spacecraft)

    TAU_(spacecraft)

  • Transit of Venus
  • Astronomical transit of Venus across the Sun

    accurately calculate the distance from Earth to Venus, by which the astronomical unit and the distances of the other Solar System bodies could then be determined

    Transit of Venus

    Transit of Venus

    Transit_of_Venus

  • Light-second
  • Unit of length

    small correction for the effects of relativity.) The value of the astronomical unit (roughly the distance between Earth and the Sun) in light-seconds

    Light-second

    Light-second

    Light-second

  • List of non-coherent units of measurement
  • Units that are not part of a coherent system

    distances make up an astronomical unit. The siriometer is an obsolete astronomical measure equal to one million astronomical units, i.e., one million times

    List of non-coherent units of measurement

    List_of_non-coherent_units_of_measurement

  • Parallax in astronomy
  • Distance measuring technique

    definition of the astronomical unit in metres. This corresponds to the small-angle definition of the parsec found in many astronomical references. Stellar

    Parallax in astronomy

    Parallax in astronomy

    Parallax_in_astronomy

  • Solar luminosity
  • Unit of light in stars and galaxies

    L_{\odot }=4\pi kI_{\odot }A^{2}} where A is the unit distance (the value of the astronomical unit in metres) and k is a constant (whose value is very

    Solar luminosity

    Solar luminosity

    Solar_luminosity

  • Sun
  • Star at the centre of the Solar System

    distance between the Sun and the Earth was used to define a unit of length called the astronomical unit (au), now defined to be 149.5978707×106 kilometres. It

    Sun

    Sun

    Sun

  • Magnitude (astronomy)
  • Logarithmic measure of the brightness of an astronomical object

    planets and small Solar System bodies, based on its brightness at one astronomical unit from the observer and the Sun. The Sun has an apparent magnitude of

    Magnitude (astronomy)

    Magnitude (astronomy)

    Magnitude_(astronomy)

  • Gravitational constant
  • Physical constant for the strength of gravity induced by a mass

    also be carried out using the units of solar masses, mean solar days and astronomical units rather than standard SI units. For this purpose, the Gaussian

    Gravitational constant

    Gravitational constant

    Gravitational_constant

  • Solar constant
  • Intensity of sunlight or solar constant

    equation averaging the amount of energy received by a given area one astronomical unit away from the Sun. To put simply, it is measuring the amount of energy

    Solar constant

    Solar constant

    Solar_constant

  • Radar astronomy
  • Observing nearby astronomical objects by analyzing reflected microwaves

    relativity by observing Mercury and providing a refined value for the astronomical unit. Radar images provide information about the shapes and surface properties

    Radar astronomy

    Radar astronomy

    Radar_astronomy

  • United States Naval Observatory
  • Scientific agency in the United States

    the Observatory was the U.S. contribution to the definition of the Astronomical Unit, or the AU, which defines a standard mean distance between the Sun

    United States Naval Observatory

    United States Naval Observatory

    United_States_Naval_Observatory

  • 2004 transit of Venus
  • Astronomical event on 8 June 2004

    1,000 school classes. The participants made a measurement of the astronomical unit (AU) of 149 608 708 km ± 11 835 km which had only a 0.007% difference

    2004 transit of Venus

    2004 transit of Venus

    2004_transit_of_Venus

  • Ecliptic
  • Apparent path of the Sun on the celestial sphere

    the east, and the z-axis toward the north ecliptic pole; the astronomical unit is the unit of measure. Symbols for ecliptic coordinates are somewhat standardized;

    Ecliptic

    Ecliptic

    Ecliptic

  • Stellar parallax
  • Changed position of star vs background

    to the different positions of Earth and the Sun, a baseline of one astronomical unit (AU). Stellar parallax is so difficult to detect that its existence

    Stellar parallax

    Stellar parallax

    Stellar_parallax

  • Absolute magnitude
  • Measure of the luminosity of celestial objects

    magnitude (H) is used, based on a standard reference distance of one astronomical unit. Absolute magnitudes of stars generally range from approximately −10

    Absolute magnitude

    Absolute_magnitude

  • Corvus (constellation)
  • Constellation in the Southern Celestial Hemisphere

    detected orbiting this star, one warm within 3.5 astronomical units and another out at ~150 astronomical units distant. Zeta Corvi marks the raven's neck.

    Corvus (constellation)

    Corvus (constellation)

    Corvus_(constellation)

  • Solar mass
  • Standard unit of mass in astronomy

    estimated mass ratio of 1:332946. As a unit of measurement, the solar mass came into use before the astronomical unit and the gravitational constant were

    Solar mass

    Solar mass

    Solar_mass

  • Minute and second of arc
  • Units for measuring angles

    one astronomical unit (149597870.7 km) an object of diameter 45866916 km at one light-year (9460730472580.8 km) an object of diameter one astronomical unit

    Minute and second of arc

    Minute and second of arc

    Minute_and_second_of_arc

  • Equatorial coordinate system
  • Celestial coordinate system used to specify the positions of celestial objects

    Z and a fourth distance coordinate, R (= √X2 + Y2 + Z2), in units of the astronomical unit. The positions of the planets and other Solar System bodies

    Equatorial coordinate system

    Equatorial coordinate system

    Equatorial_coordinate_system

  • Logarithmic scale
  • Measurement scale based on orders of magnitude

    Unlike a linear scale where each unit of distance corresponds to the same increment, on a logarithmic scale each unit of length is a multiple of some base

    Logarithmic scale

    Logarithmic scale

    Logarithmic_scale

  • Quasi-satellite
  • Type of satellite in sync with another orbit

    high eccentricity can get quite far from their planet, more than an astronomical unit for quasi-satellites of Earth such as 2014 OL339. The word "geosynchronous"

    Quasi-satellite

    Quasi-satellite

    Quasi-satellite

  • Unit distance
  • Topics referred to by the same term

    Unit distance may refer to: Astronomical unit: the distance to the Sun Unit distance graph: a graph whose lines connect points that must be a distance

    Unit distance

    Unit_distance

  • Metre
  • SI unit of length

    shown in the table below. Long distances are usually expressed in km, astronomical units (149,597,871 km), light-years (63,000 au; 9.5 trillion km), or parsecs

    Metre

    Metre

    Metre

  • OGLE-2016-BLG-1928
  • Earth-sized rogue planet detected by microlensing

    rogue (free-floating) planet, as no host star was detected within 8 astronomical units. This likely free-floating planet has a mass of either 0.3 or 2 M🜨

    OGLE-2016-BLG-1928

    OGLE-2016-BLG-1928

  • Glossary of astronomy
  • (☾), which are sometimes used for astronomical constants and in other forms of shorthand. astronomical unit (AU) A unit of length used primarily for measuring

    Glossary of astronomy

    Glossary_of_astronomy

  • Orrery
  • Mechanical model of the Solar System

    {4+24}{10}},...} That is, 0.4, 0.7, 1.0, 1.6, 2.8, ... The numbers refer to astronomical units, the mean distance between Sun and Earth, which is 1.496 × 108 km

    Orrery

    Orrery

    Orrery

  • Habitability of binary star systems
  • Potential conditions for extraterrestrial life in binary star systems

    separation between stars in a binary may range from less than one astronomical unit (au, the "average" Earth-to-Sun distance) to several hundred au. In

    Habitability of binary star systems

    Habitability of binary star systems

    Habitability_of_binary_star_systems

  • Arthur Robert Hinks
  • British astronomer and geographer

    to the Earth (the astronomical unit) from 1900 to 1909: for this achievement, he was awarded the Gold Medal of the Royal Astronomical Society and was elected

    Arthur Robert Hinks

    Arthur Robert Hinks

    Arthur_Robert_Hinks

  • IAU (1976) System of Astronomical Constants
  • System of astronomical constants

    clock time. The astronomical unit of mass is the mass of the Sun (S). The astronomical unit of length is known as the astronomical unit (A or au), which

    IAU (1976) System of Astronomical Constants

    IAU_(1976)_System_of_Astronomical_Constants

  • Solar System
  • Planetary system consisting of the Sun and objects orbiting it

    liquid under atmospheric pressure. Beyond the frost line at about five astronomical units (AU), are the planets of the outer Solar System: two gas giants (Jupiter

    Solar System

    Solar System

    Solar_System

  • TON 618
  • Quasar and Lyman-alpha blob in the constellations of Canes Venatici and Coma Berenices

    holes. A black hole of this mass has a Schwarzschild radius of 1,300 astronomical units (194 billion kilometres; 0.0206 light-years) or 283,000 solar radii

    TON 618

    TON 618

    TON_618

  • Alpha Centauri
  • Star system in the Centaurus constellation

    eccentric, so that the distance between A and B varies from 35.6 astronomical units (AU), or about the distance between Pluto and the Sun, to 11.2 AU

    Alpha Centauri

    Alpha Centauri

    Alpha_Centauri

  • Interstellar probe
  • Space probe that can travel out of the Solar System

    Even though the termination shock happens as close as 80–100 AU (astronomical units) the maximum extent of the region in which the Sun's gravitational

    Interstellar probe

    Interstellar probe

    Interstellar_probe

  • UY Scuti
  • Star in the constellation Scutum

    radius estimated at 909 solar radii (632 million kilometres; 4.23 astronomical units), thus a volume of 750 million times that of the Sun. This estimate

    UY Scuti

    UY Scuti

    UY_Scuti

  • Orders of magnitude (length)
  • Comparison of a wide range of lengths

    × 106 km. Interplanetary distances are also commonly measured in astronomical units. Distances on the interstellar or larger scale are typically measured

    Orders of magnitude (length)

    Orders of magnitude (length)

    Orders_of_magnitude_(length)

  • Sirius
  • Brightest star in Earth's night sky

    Sirius B. The distance between the two varies between 8.2 and 31.5 astronomical units as they orbit every 50 years. Sirius appears bright because of its

    Sirius

    Sirius

    Sirius

  • Comet
  • Natural object in space that releases gas

    15 times Earth's diameter, while the tail may stretch beyond one astronomical unit. If sufficiently close and bright, a comet may be seen from Earth

    Comet

    Comet

    Comet

  • Kapton
  • Plastic film material used in low and high-temperature applications

    (10 and 30 °C) throughout its more than nine-year, 5-terametre (33-astronomical-unit) journey to rendezvous with the dwarf planet Pluto on 14 July 2015

    Kapton

    Kapton

    Kapton

  • Solar wind
  • Stream of charged particles from the Sun

    these magnetic field lines reconnect. Near the Earth's orbit at 1 astronomical unit (AU) the plasma flows at speeds ranging from 250 to 750 km/s with

    Solar wind

    Solar wind

    Solar_wind

  • Foucault's measurements of the speed of light
  • Scientific instrument used to measure the speed of light

    light, since his concern was to deduce an improved value for the astronomical unit. At the time, Foucault was working at the Paris Observatory under

    Foucault's measurements of the speed of light

    Foucault's_measurements_of_the_speed_of_light

  • Length
  • Measure of distance in physical space

    Earth (metre or kilometre) and include the astronomical unit (au), the light-year, and the parsec (pc). Units used to denote sub-atomic distances, as in

    Length

    Length

  • Jupiter-mass binary object
  • Binary systems of planetary-mass objects

    regime. The binary pairs have separations ranging from 28 to 384 astronomical units. This discovery was unexpected because the proportion of objects appearing

    Jupiter-mass binary object

    Jupiter-mass binary object

    Jupiter-mass_binary_object

  • Siriometer
  • Unit of measurement

    The siriometer is an obsolete astronomical unit of length, defined to be equal to one million astronomical units (au). One siriometer is approximately

    Siriometer

    Siriometer

  • List of astronomy acronyms
  • book of the same title, Amateur Telescope Making) AU – (measurement) Astronomical Unit, the distance between the Earth and the Sun AUASS – (organization)

    List of astronomy acronyms

    List_of_astronomy_acronyms

  • Janssen revolver
  • Early astronomical camera system

    so-called Astronomical Unit, which indicates the size of the Solar System. At that time, the only way to know it was through the astronomical phenomenon

    Janssen revolver

    Janssen revolver

    Janssen_revolver

  • HD 7977
  • Star in the constellation Cassiopeia

    million years ago, when it is predicted to have come as close as 3,800 astronomical units or less, although there are reasons to doubt the proper motions used

    HD 7977

    HD_7977

  • Arbitrary unit
  • Relative unit of measurement

    "arbitrary unit" include: arb. unit, arb. u., AU, and a.u. Among these, "AU" and "a.u." are common abbreviations for astronomical units and atomic units. For

    Arbitrary unit

    Arbitrary unit

    Arbitrary_unit

  • List of numbers
  • 149597870700, the average distance between the Earth and the Sun or Astronomical Unit (AU), in meters 9460730472580800, one light-year, the distance travelled

    List of numbers

    List_of_numbers

  • K2-2016-BLG-0005Lb
  • Jupiter-like exoplanet

    distance of 4.2 astronomical units from its star at the time of observation, the average orbital distance of Jupiter being 5.2 astronomical units. Exoplanet

    K2-2016-BLG-0005Lb

    K2-2016-BLG-0005Lb

    K2-2016-BLG-0005Lb

  • Sedna (dwarf planet)
  • Distant body in the outer Solar System

    the widest known in the Solar System. Its aphelion is located 937 astronomical units (AU) away, about 19 times farther than that of Pluto. Sedna's orbit

    Sedna (dwarf planet)

    Sedna (dwarf planet)

    Sedna_(dwarf_planet)

  • Gaussian year
  • Unit of time equaling 365.2568983 days

    constant. Astronomical unit Gregorian year List of years List of calendars Orders of magnitude (time) Standish, E. M. (2004-06-01). "The Astronomical Unit now"

    Gaussian year

    Gaussian year

    Gaussian_year

  • Venera 14
  • 1982 Soviet space probe which successfully landed on Venus

    Heliocentric Eccentricity 0.17 Perihelion altitude 0.71 Astronomical units Aphelion altitude 0.99 Astronomical units Inclination 2.3 degrees Period 286 days Flyby

    Venera 14

    Venera 14

    Venera_14

  • Heliosphere
  • Region of space dominated by the Sun

    that of a comet, being roughly spherical on one side to around 100 astronomical units (AU), and on the other side being tail shaped, known as the "heliotail"

    Heliosphere

    Heliosphere

    Heliosphere

  • TOI-1338 b
  • Circumbinary exoplanet orbiting TOI-1338

    stars' center of mass every 95 days at an average distance of 0.46 astronomical units (AU; 69 million km or 43 million mi). The planet has an average temperature

    TOI-1338 b

    TOI-1338 b

    TOI-1338_b

  • Jérôme Lalande
  • French astronomer (1732–1807)

    and writer. He is known for having estimated a precise value of the astronomical unit (the distance from the Earth to the Sun) using measurements of the

    Jérôme Lalande

    Jérôme Lalande

    Jérôme_Lalande

  • 1769 transit of Venus observed from Tahiti
  • Key astronomical observation during the first voyage of James Cook

    with the idea of using Venus or Mercury transits to determine the astronomical unit by measuring the apparent solar parallax between different points

    1769 transit of Venus observed from Tahiti

    1769 transit of Venus observed from Tahiti

    1769_transit_of_Venus_observed_from_Tahiti

  • Orbit of Mars
  • Martian orbit around the Sun

    Mars has an orbit with a semimajor axis of 1.524 astronomical units (228 million km) (12.673 light minutes), and an eccentricity of 0.0934. The planet

    Orbit of Mars

    Orbit of Mars

    Orbit_of_Mars

  • Mira
  • Binary star system in the constellation Cetus

    the white dwarf. The two stars are currently separated by about 70 astronomical units. Mira A is currently an asymptotic giant branch (AGB) star, in the

    Mira

    Mira

    Mira

  • Double Asteroid Redirection Test
  • 2021 NASA planetary defense mission

    relatively close to the Earth in 2022, at about 7 million miles (0.075 astronomical units; 29 lunar distances; 11 million kilometers). The Didymos system is

    Double Asteroid Redirection Test

    Double Asteroid Redirection Test

    Double_Asteroid_Redirection_Test

  • Capella
  • Brightest star in the constellation Auriga

    are around 2.5 Solar masses. The secondary pair, are around 10,000 astronomical units (AU) from the first. They are faint, small and relatively cool red

    Capella

    Capella

    Capella

  • Solar and Heliospheric Observatory
  • European space observatory

    point, a point of gravitational balance located approximately 0.99 astronomical unit (AU) from the Sun and 0.01 AU from the Earth. In addition to its scientific

    Solar and Heliospheric Observatory

    Solar and Heliospheric Observatory

    Solar_and_Heliospheric_Observatory

  • Julian year (astronomy)
  • Interval of exactly 365.25 Earth days

    a unit of measurement in the International System of Units (SI), but it is recognized by the International Astronomical Union (IAU) as a non-SI unit for

    Julian year (astronomy)

    Julian_year_(astronomy)

  • Acrux
  • Septuple star system in the constellation Crux

    orbit around each other at a semi-major axis of almost exactly one astronomical unit (au), with a considerable orbital eccentricity of 0.37. The mass of

    Acrux

    Acrux

    Acrux

  • 2017 OF201
  • Large trans-Neptunian object in the scattered disc

    OF201 is extremely large and elongated, bringing it from 45 to 1,610 astronomical units (0.00071 to 0.02546 ly) away from the Sun. 2017 OF201 is not considered

    2017 OF201

    2017 OF201

    2017_OF201

  • Sunlight
  • Light emitted by the Sun

    watts per square meter (the value when the Earth–Sun distance is 1 astronomical unit), then the direct sunlight at Earth's surface when the Sun is at the

    Sunlight

    Sunlight

    Sunlight

  • Earth
  • Third planet from the Sun

    Earth is the third planet from the Sun and the only astronomical object known to harbor life. This is made possible by Earth being an ocean world, the

    Earth

    Earth

    Earth

  • Dwarf planet
  • Small planetary-mass object

    International Astronomical Union. 4 (T27A). Cambridge University Press: 149–153. doi:10.1017/S1743921308025398. "International Astronomical Union 2006 General

    Dwarf planet

    Dwarf planet

    Dwarf_planet

  • Megastructure
  • Very large artificial object

    massive ring around one of their stars, which is most likely around one astronomical unit in diameter. A completed version of this can also be found in another

    Megastructure

    Megastructure

    Megastructure

  • Metric prefix
  • Order of magnitude indicator

    are rarely used. Instead, ad hoc non-metric units are used, such as the solar radius, astronomical units, light years, and parsecs, and less commonly

    Metric prefix

    Metric_prefix

  • Astronomical interferometer
  • Array used for astronomical observations

    An astronomical interferometer or telescope array is a set of separate telescopes, mirror segments, or radio telescope antennas that work together as a

    Astronomical interferometer

    Astronomical interferometer

    Astronomical_interferometer

  • Oort cloud
  • Distant planetesimals in the Solar System

    2021. Retrieved September 14, 2013. Darling, David. "TAU (Thousand Astronomical Unit) mission". www.daviddarling.info. Archived from the original on 2017-12-07

    Oort cloud

    Oort cloud

    Oort_cloud

  • Gliese 710
  • Star in the constellation Serpens

    predicted minimum distance of 0.051 parsecs – 0.1663 light-years (10,520 astronomical units; 1.573 trillion kilometres) – about ⁠1/25⁠ of the current distance

    Gliese 710

    Gliese_710

  • Outer space
  • Void between celestial bodies

    space is a nearly total vacuum, with a mean free path of about one astronomical unit at the orbital distance of the Earth. This space is not completely

    Outer space

    Outer space

    Outer_space

  • 93 Million Miles
  • 2012 single by Jason Mraz

    within the Solar System, which is 93 million miles from Sun (one astronomical unit, or AU, approximately 150 million kilometers). Lyrically, the song

    93 Million Miles

    93_Million_Miles

  • Aldebaran
  • Taurus Brightest Star

    it makes a star system with an orbital separation of at least 680 astronomical units, or 680 times the average distance from Earth to the Sun. The companion

    Aldebaran

    Aldebaran

    Aldebaran

  • Neso (moon)
  • Irregular moon of Neptune

    Neptune). Neso's radial distance (delta) from Neptune is expressed in astronomical units (AU). "JPL Horizons On-Line Ephemeris for Neso from 1983-Apr-15 to

    Neso (moon)

    Neso (moon)

    Neso_(moon)

  • Milky Way
  • Galaxy containing the Solar System

    System to travel a distance of 1 light-year, or 8 days to travel 1 AU (astronomical unit). The Solar System is headed in the direction of the zodiacal constellation

    Milky Way

    Milky Way

    Milky_Way

  • Jupiter analogue
  • Exoplanets similar to Jupiter

    Jupiter mass or larger and orbits its host star at a distance 3 to 12 astronomical units (AU), roughly one to a few times that of the systems snow line. The

    Jupiter analogue

    Jupiter analogue

    Jupiter_analogue

AI & ChatGPT searchs for online references containing ASTRONOMICAL UNIT

ASTRONOMICAL UNIT

AI search references containing ASTRONOMICAL UNIT

ASTRONOMICAL UNIT

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    Unity

    Ekta | ஏகதா, ஏகதா

  • Gay
  • Surname or Lastname

    English and French

    Gay

    English and French : nickname for a lighthearted or cheerful person, from Middle English, Old French gai. In Middle English the term could also mean ‘wanton’, ‘lascivious’ and this sense may lie behind the surname in some instances.English (of Norman origin) : habitational name from places in Normandy called Gaye, from an early proprietor bearing a Germanic personal name cognate with Wade.probably from the Catalan personal name Gai (Latin Gaius), or in some cases a nickname from Catalan gay ‘cheerful’.Variant of German Gau.North German : from a Frisian personal name Gay.A Congregational clergyman and one of the forerunners of the Unitarian movement in New England, Ebenezer Gay (1696–1787) was born in Dedham, MA, which had been founded by his grandfather, John Gay, who came to America from Wiltshire, England, about 1630 and settled in Watertown, MA. Ebenezer’s great-grandson Howard was editor of the American Anti-Slavery Standard.

    Gay

  • Joynt
  • Surname or Lastname

    English

    Joynt

    English : presumably from Old French joint ‘united’, ‘joined’. The application as a surname is unclear.

    Joynt

  • UNITY
  • Female

    English

    UNITY

    English name derived from the vocabulary word, UNITY means "oneness, unity."

    UNITY

  • Dole
  • Surname or Lastname

    English

    Dole

    English : from Middle English dole ‘portion of land’ (Old English dāl ‘share’, ‘portion’). The term could denote land within the common field, a boundary mark, or a unit of area; so the name may be of topographic origin or a status name.Irish : reduced and altered Anglicized form of McDowell. Compare McDole.French (Dolé) : nickname for a troubled or anxious person, from Old French dolé, past participle of doler ‘to regret’ (Latin dolere ‘to hurt’).

    Dole

  • Dicker
  • Surname or Lastname

    English (southwest)

    Dicker

    English (southwest) : occupational name for a digger of ditches or a builder of dikes, or a topographic name for someone who lived by a ditch or dike, from an agent derivative of Middle English diche, dike (see Dyke).English : regional name from an area of East Sussex, near Hellingly, called ‘the Dicker’ (hence also the hamlets of Upper and Lower Dicker), from Middle English dyker unit of ten (Latin decuria, from decem ‘ten’); the reason for the place being so named is not clear. It has been suggested that the reference is to a bundle of iron rods, in which sense dicras appears in Domesday Book. Such a bundle could have been the rent for property in this iron-working area. Surname forms such as atte dicker occur in the surrounding region in the 13th and 14th centuries.German and Jewish (Ashkenazic) : variant of Dick 2, from an inflected form.North German : variant of Low German Dieker, a topographic or an occupational name for someone who lived or worked at a dike (see Dieck).Americanized spelling of French Decaire.

    Dicker

  • Babitha
  • Girl/Female

    Bengali, Hindu, Indian, Tamil

    Babitha

    Peaceful; Born in the First Quarter of an Astrological Day

    Babitha

  • Ekatha | ஏகதா
  • Girl/Female

    Tamil

    Ekatha | ஏகதா

    Unity

    Ekatha | ஏகதா

  • Furlong
  • Surname or Lastname

    English and Irish

    Furlong

    English and Irish : apparently a topographic name from Middle English furlong ‘length of a field’ (from Old English furh ‘furrow’ + lang ‘long’), the technical term for the block of strips owned by several different persons which formed the unit of cultivation in the medieval open-field system of farming, or a habitational name from a minor place named with this word, such as Furlong in Devon or Shropshire. The surname is now chiefly common in Ireland, where a family of this name settled at the end of the 13th century.Possibly an Americanized form of French Ferland.

    Furlong

  • Lincoln
  • Surname or Lastname

    English

    Lincoln

    English : habitational name from the city of Lincoln, so named from an original British name Lindo- ‘lake’ + Latin colonia ‘settlement’, ‘colony’. The place was an important administrative center during the Roman occupation of Britain and in the Middle Ages it was a center for the manufacture of cloth, including the famous ‘Lincoln green’.Abraham Lincoln (1809–65), 16th president of the United States, was the son of an illiterate laborer, descended from a certain Samuel Lincoln, who had emigrated from England to MA in 1637.

    Lincoln

  • Taurina
  • Girl/Female

    English

    Taurina

    An astrological name; feminine of Taurus, the bull.

    Taurina

  • Gascoigne
  • Surname or Lastname

    English

    Gascoigne

    English : from Old French Gascogne ‘Gascony’, hence a regional name. The name of the region derives from that of the Basques, who are found close by and formerly extended into this region as well; they are first named in Roman sources as Vascōnes, but the original meaning of the name, derived from a root eusk- in the non-Indo-European language that they still speak today, is completely obscure. By the Middle Ages the Basques had been displaced from most of Gascony by speakers of Gascon (a dialect of Occitan, related to French), who were proverbial for their boastfulness. In the 11th century Gascony united with Aquitaine and was thus held by England between 1154 and 1453. See Gascon.

    Gascoigne

  • Sanyakta | ஸஂயக்தா
  • Girl/Female

    Tamil

    Sanyakta | ஸஂயக்தா

    Joined, United

    Sanyakta | ஸஂயக்தா

  • Litwin
  • Surname or Lastname

    Polish, German, and Jewish (eastern Ashkenazic)

    Litwin

    Polish, German, and Jewish (eastern Ashkenazic) : from Polish litwin, an ethnic name for someone from Lithuania (Polish Litwa, Lithuanian Lietuva, a word of uncertain etymology, perhaps a derivative of the river name Leità). In the 14th century Lithuania was an independent grand duchy which extended from the Baltic to the shores of the Black Sea. It was united with Poland in 1569, and was absorbed into the Russian empire in 1795. The region referred to as Lite in Ashkenazic culture encompassed not only Lithuania but also Latvia, Estonia, Belarus, parts of northern Ukraine, and parts of northeastern Poland.English : from an Old English personal name, Lēohtwine, composed of the elements lēoht ‘light’, ‘bright’ + wine ‘friend’.

    Litwin

  • Ekata | ஏகதா
  • Girl/Female

    Tamil

    Ekata | ஏகதா

    Unity

    Ekata | ஏகதா

  • Taura
  • Girl/Female

    English Japanese

    Taura

    An astrological name; feminine of Taurus, the bull.

    Taura

  • Taurina
  • Girl/Female

    American, British, English

    Taurina

    Bull; An Astrological Name; Feminine Form of Taurus

    Taurina

  • Omja | ஓம்ஜா
  • Boy/Male

    Tamil

    Omja | ஓம்ஜா

    Born of cosmic unity

    Omja | ஓம்ஜா

  • Sanyukt | ஸஂயுக்த
  • Boy/Male

    Tamil

    Sanyukt | ஸஂயுக்த

    Connected, United

    Sanyukt | ஸஂயுக்த

  • Taura
  • Girl/Female

    American, British, English, Japanese

    Taura

    Bull; An Astrological Name; Feminine Form of Taurus; Many Rivers

    Taura

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Online names & meanings

  • Vallinathan
  • Boy/Male

    Hindu, Indian, Tamil

    Vallinathan

    Lord Muruga

  • Priyal | ப்ரியல
  • Girl/Female

    Tamil

    Priyal | ப்ரியல

    Beloved, One who gives Love

  • Div
  • Boy/Male

    Hindu

    Div

    Pleasant, Gentle

  • Monark
  • Boy/Male

    Indian, Traditional

    Monark

    King of Government; Ruler; The King of Kings

  • Ilarion
  • Boy/Male

    Australian, French, Greek, Latin

    Ilarion

    Cheerful

  • Walihah
  • Girl/Female

    Muslim/Islamic

    Walihah

    This was the name of a poetess

  • JEUNESSE
  • Female

    French

    JEUNESSE

    French name JEUNESSE means "youth."

  • SEMYON
  • Male

    Russian

    SEMYON

    (Семён) Russian form of Greek Symeon, SEMYON means "hearkening."

  • Srihita | ஸரஹிதா
  • Girl/Female

    Tamil

    Srihita | ஸரஹிதா

    Someone who is concerned about the welfare (Hita) of others, Indian

  • Kolambi
  • Boy/Male

    Indian

    Kolambi

    Fish

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Other words and meanings similar to

ASTRONOMICAL UNIT

AI search in online dictionary sources & meanings containing ASTRONOMICAL UNIT

ASTRONOMICAL UNIT

  • Angle
  • n.

    A name given to four of the twelve astrological "houses."

  • Ptolemaist
  • n.

    One who accepts the astronomical system of Ptolemy.

  • Terrestrial
  • a.

    Adapted for the observation of objects on land and on the earth; as, a terrestrial telescope, in distinction from an astronomical telescope.

  • Astronomic
  • a.

    Astronomical.

  • Astronomical
  • a.

    Of or pertaining to astronomy; in accordance with the methods or principles of astronomy.

  • Figure
  • n.

    A horoscope; the diagram of the aspects of the astrological houses.

  • Prutenic
  • a.

    Prussian; -- applied to certain astronomical tables published in the sixteenth century, founded on the principles of Copernicus, a Prussian.

  • Astrologic
  • a.

    Alt. of Astrological

  • Astroscope
  • n.

    An old astronomical instrument, formed of two cones, on whose surface the constellations were delineated.

  • Regulator
  • n.

    A clock, or other timepiece, used as a standard of correct time. See Astronomical clock (a), under Clock.

  • Astrophysical
  • a.

    Pertaining to the physics of astronomical science.

  • Gastronomic
  • a.

    Alt. of Gastronomical

  • Astronomian
  • n.

    An astrologer.

  • Domify
  • v. t.

    To divide, as the heavens, into twelve houses. See House, in astrological sense.

  • Gastronomical
  • a.

    Pertaining to gastromony.

  • Astrological
  • a.

    Of or pertaining to astrology; professing or practicing astrology.

  • Uranic
  • a.

    Of or pertaining to the heavens; celestial; astronomical.

  • Armil
  • n.

    An ancient astronomical instrument.