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Natural phenomenon due to which tidal locking occurs
Tidal acceleration is an effect of the tidal forces between an orbiting natural satellite (e.g. the Moon) and the primary planet that it orbits (e.g. Earth)
Tidal_acceleration
Gravitational effect also known as the differential force and the perturbing force
extent, the Sun. Tidal forces are also responsible for tidal locking, tidal acceleration, and tidal heating. Tides may also induce seismicity. By generating
Tidal_force
Situation in which an astronomical object's orbital period matches its rotational period
equal to that body's average rotational period Tidal acceleration – Natural phenomenon due to which tidal locking occurs Rotation around a fixed axis –
Tidal_locking
Change in sea level due to gravity
the lunar tidal acceleration (along the Moon–Earth axis, at the Earth's surface) is about 1.1×10−7 g, while the solar tidal acceleration (along the Sun–Earth
Tide
Orbital and friction heating on a planet or moon oceans, or interior
interior. The tidally dissipated power in a nonsynchronised rotator is given by a more complex expression. Cryovolcano Tidal acceleration Tidal locking Io
Tidal_heating
Light that reaches Earth from the Moon
eclipses on the Moon Eclipse cycle Supermoon Tide Tidal force Tidal locking Tidal acceleration Tidal range Kordylewski clouds Lunar station Surface and
Moonlight
Scientific projections regarding the far future
Gregory A.; Smith, David E.; Zuber, Maria T. (2005). "Improved estimate of tidal dissipation within Mars from MOLA observations of the shadow of Phobos"
Timeline_of_the_far_future
Tensor in general relativity
relativity, the tidal tensor represents: tidal accelerations of a cloud of (electrically neutral, nonspinning) test particles tidal stresses in a small
Tidal_tensor
Natural satellite orbiting Earth
of the other, eclipses were more frequent, and tidal effects were stronger. Due to tidal acceleration, the Moon's orbit around Earth has become significantly
Moon
Lunar theory
the orbital parameters. For the Moon, the main secular factor is tidal acceleration: The magnitude of that effect has become better known after the initial
Ephemeride_Lunaire_Parisienne
The gravity of Earth, denoted by g, is the net acceleration that is imparted to objects due to the combined effect of gravitation (from mass distribution
Gravity_of_Earth
Rotation of Earth around its axis
millions of years, Earth's rotation has been slowed significantly by tidal acceleration through gravitational interactions with the Moon. Thus angular momentum
Earth's_rotation
One millionth of a second
amount per year that the length of the day lengthens, largely due to tidal acceleration. 20.8 microseconds – sampling interval for digital audio with 48,000
Microsecond
Hypotheses about Triton's origin
Neptune and reducing them to rubble. Triton itself experienced extreme tidal heating, possibly to the point of melting entirely, and may have collided
Capture_of_Triton
Mathematical theory of the geometry of space and time
particles, free-falling in the gravitational field of the Earth, exhibit tidal accelerations due to local inhomogeneities in the gravitational field such that
Curved_spacetime
Term for accelerations felt as weight in multiples of standard gravity
"free fall", as do astronauts in orbit (astronauts experience small tidal accelerations called microgravity, which are neglected for the sake of discussion
G-force
Physical acceleration experienced by an object
proper acceleration is the physical acceleration (i.e., measurable acceleration as by an accelerometer) experienced by an object. It is thus acceleration relative
Proper_acceleration
Bending of trajectories in general relativity by a tidal force
presence of a tidal gravitational force will cause the trajectories to bend towards or away from each other, producing a relative acceleration between the
Geodesic_deviation
Mathematical model combining space and time
particles, free-falling in the gravitational field of the Earth, exhibit tidal accelerations due to local inhomogeneities in the gravitational field such that
Spacetime
Effect of tidal forces on an orbiting body
of an orbit. Tidal locking Tidal acceleration Kozai mechanism, opposite effect Zahn, Jean-Paul (30 July 2008). "Tidal dissipation in binary systems". Eas
Tidal_circularization
tidal acceleration experienced by small clouds of test particles (with spin or not), test particles with spin may experience additional accelerations
Test_particle
Curved path of an object around a point
third body contributions, radiation pressure, atmospheric drag, and tidal acceleration. For a body in orbit, a perturbing force can be divided into three
Orbit
Where a clock does not run at same rate as reference clock
has more drift and variation in drift than an atomic clock due to tidal acceleration and other effects. The principle behind the atomic clock has enabled
Clock_drift
Largest moon of Saturn
permanent tidal bulge of roughly 100 meters (330 ft) at the sub- and anti-Saturnian points. Titan's orbital eccentricity means that tidal acceleration varies
Titan_(moon)
Smallest Galilean moon of Jupiter
thermal energy from tidal heating, which occurs through the tidal friction and tidal flexing processes caused by tidal acceleration: orbital and rotational
Europa_(moon)
Measure of variation of solar time from atomic time
determination of lunar orbital parameters, precession constant, and tidal acceleration from LLR measurements" (also in PDF). Astronomy & Astrophysics 387
ΔT_(timekeeping)
Navigation using astronomical objects to determine position
eclipses on the Moon Eclipse cycle Supermoon Tide Tidal force Tidal locking Tidal acceleration Tidal range Kordylewski clouds Lunar station Surface and
Celestial_navigation
Unit of time
Amasia, Novopangaea, Aurica and Pangaea Proxima. 2–3 gal 450–675 Ma Tidal acceleration moves the Moon far enough from Earth that total solar eclipses are
Galactic_year
Long-term non-periodic variation
Dictionary. Kolesnik, Yuri B. (2001). "Revision of the tidal acceleration of the Moon and the tidal deceleration of the Earth's rotation from historical
Secular_variation
Process that leads to gradual decrease of the distance between two orbiting bodies
orbital boosting may not be needed. An orbit can decay by negative tidal acceleration when the orbiting body is below the synchronous orbit. This saps angular
Orbital_decay
Phases of Earth as seen from the Moon
eclipses on the Moon Eclipse cycle Supermoon Tide Tidal force Tidal locking Tidal acceleration Tidal range Kordylewski clouds Lunar station Surface and
Earth_phase
Time standard based on the slowing rotation of the Earth
Earth is somewhat irregular and also is very gradually slowing due to tidal acceleration. Furthermore, the length of the second was determined from observations
Universal_Time
Internationally accepted civil calendar
slowing down, which makes each day slightly longer over time (see tidal acceleration and leap second) while the year maintains a more uniform duration
Gregorian_calendar
Time between successive new moons
determination of lunar orbital parameters, precession constant and tidal acceleration from LLR measurements". Astronomy & Astrophysics. 387 (2): 700–709
Lunar_month
Apparent force in a rotating reference frame
19th century. The Coriolis acceleration equation was derived by Euler in 1749, and the effect was described in the tidal equations of Pierre-Simon Laplace
Coriolis_force
Radial streaks of material thrown out during formation of an impact crater
eclipses on the Moon Eclipse cycle Supermoon Tide Tidal force Tidal locking Tidal acceleration Tidal range Kordylewski clouds Lunar station Surface and
Ray_system
Proposed geologic epoch
of capitalism over the past few hundred years, and the breathtaking acceleration of industrialization from the 1950s, that on a planetary scale things
Anthropocene
Angle between the rotational axis and orbital axis of a body
billion years. As the Moon continues to recede from Earth due to tidal acceleration, resonances may occur which will cause large oscillations of the obliquity
Axial_tilt
Set of gravitationally bound objects in orbit
(moon of Saturn). Tidal energy including tidal acceleration can have effects on both the primary and satellites. The Moon's tidal forces deform the Earth
Satellite_system_(astronomy)
British mathematician and astronomer (1819–1892)
Society in 1866. The unexplained drift is now known to be due to tidal acceleration. In 1858 Adams became professor of mathematics in the University of
John_Couch_Adams
Smaller and outer moon of Mars
getting larger, because it is far enough away from Mars and because of tidal acceleration. It is expected to eventually escape Mars's gravity. Deimos regularly
Deimos_(moon)
Calculation of elapsed time by the apparent position of the sun
The length of the mean solar day is slowly increasing due to the tidal acceleration of the Moon by Earth and the corresponding slowing of Earth's rotation
Solar_time
Thought experiment in physics
and in particular the tidal tensor in general relativity. He gave the first correct description of the relative (tidal) acceleration of initially mutually
Sticky_bead_argument
Eighth planet from the Sun
synchronous rotation, and it is slowly spiralling inward because of tidal acceleration. It will eventually be torn apart, in about 28 billion years, when
Neptune
Long-term human settlement on the Moon
eclipses on the Moon Eclipse cycle Supermoon Tide Tidal force Tidal locking Tidal acceleration Tidal range Kordylewski clouds Lunar station Surface and
Moonbase
Terrain feature on Saturn's third-largest moon
creating the ridge system, before escaping Iapetus' gravity via tidal acceleration. The ridge and the bulge could be the result of ancient convective
Equatorial_ridge_on_Iapetus
Event wherein the Sun is obscured by the Moon
was total or partial, and there were no annular eclipses. Due to tidal acceleration, the orbit of the Moon around Earth becomes approximately 3.8 cm more
Solar_eclipse
Largest natural satellite of Pluto
hypothetically be classified as a planet in billions of years when the tidal acceleration that is gradually moving the Moon away from Earth takes it far enough
Charon_(moon)
Pattern observed on the Moon's surface
Moon with these maria that make up the man is always facing Earth due to a tidal locking, or synchronous orbit. Thought to have occurred because of the gravitational
Man_in_the_Moon
Long-term future of planet Earth
gas emission would only have a limited impact in the long term. The tidal acceleration of the Moon slows the rotation rate of the Earth and increases the
Future_of_Earth
2006 International Astronomical Union definition
but over time the Earth-Moon barycenter will drift outwards (see tidal acceleration) and could eventually become situated outside of both bodies. This
IAU_definition_of_planet
Rocks on or from the Moon
eclipses on the Moon Eclipse cycle Supermoon Tide Tidal force Tidal locking Tidal acceleration Tidal range Kordylewski clouds Lunar station Surface and
Moon_rock
Solution to the Einstein field equations
non-static observers. The geodesic deviation equation shows that the tidal acceleration between two observers separated by ξ j ^ {\displaystyle \xi ^{\hat
Schwarzschild_metric
Measure of the potential of natural satellites to have environments hospitable to life
by some scientists to be the case with Titan. While the effects of tidal acceleration are relatively modest on planets, it can be a significant source of
Habitability of natural satellites
Habitability_of_natural_satellites
Theoretical description of motion of Earth's moon
determination of lunar orbital parameters, precession constant and tidal acceleration from LLR measurements", Astronomy & Astrophysics 387 (2002), 700–709
Lunar_theory
Conserved physical quantity; rotational analogue of linear momentum
the angular momentum is conserved, the velocity drops. Tidal acceleration is an effect of the tidal forces between an orbiting natural satellite (e.g. the
Angular_momentum
period. Examples include the perihelion precession of Mercury, the tidal acceleration of the Earth–Moon system, and precession of the Earth's axis. seeing
Glossary_of_astronomy
Rise of land masses after glacial period
2008-05-09. Yoder, C. F.; et al. (1983). "J2-dot from Lageos and the non-tidal acceleration of earth rotation". Nature. 303 (5920): 757–762. Bibcode:1983Natur
Post-glacial_rebound
Theory of gravity by Albert Einstein
Einstein was exploring the equivalence of gravity and acceleration as well as the role of tidal forces, he discovered several analogies with the geometry
Introduction to general relativity
Introduction_to_general_relativity
Greek astronomer, geographer and mathematician (c. 190 – c. 120 BCE)
determination of lunar orbital parameters, precession constant and tidal acceleration from LLR measurements". Astronomy & Astrophysics. 387 (2): 700–709
Hipparchus
Movement of Mercury across the Sun viewed from further away
Investigations of the variability of the Earth's rotation and of the tidal acceleration of the Moon. Measuring the mass of Venus from secular variations in
Transit_of_Mercury
Dam-like structure
A tidal barrage is a dam-like structure used to capture the energy from masses of water moving in and out of a bay or river due to tidal forces. Instead
Tidal_barrage
Scientific interpretation of tidal forces
planet's gravitational acceleration at the mean ocean surface, a is the planetary radius, and U is the external gravitational tidal-forcing potential. William
Theory_of_tides
Location at which there is little or no tide
called a tidal node, is a geographical location where there is little or no difference in sea height between high tide and low tide; it has zero tidal amplitude
Amphidromic_point
Class of software bugs
slowing down, which makes each day slightly longer over time (see tidal acceleration and leap second) while the year maintains a more uniform duration
Time formatting and storage bugs
Time_formatting_and_storage_bugs
Angular motion of a star about its axis
component on the bulge, resulting in the transfer of angular momentum (tidal acceleration). This causes the system to steadily evolve, although it can approach
Stellar_rotation
Type of tidal power generation technology
A tidal stream generator, often referred to as a tidal energy converter (TEC), is a machine that extracts energy from moving masses of water, in particular
Tidal_stream_generator
American oceanographer (1917–2019)
Over longer times (a century or more), the largest influence is the tidal acceleration that causes the Moon to move away from the Earth at about four centimeters
Walter_Munk
Measurement of variations in Earth's gravitational field
of the earth's gravitational attraction, its centripetal force, tidal accelerations due to the sun, moon, and planets, and other applied forces. Gravity
Gravity_gradiometry
Enhanced tide due to ocean resonance
In oceanography, a tidal resonance occurs when the tide excites one of the resonant modes of the ocean. The effect is most striking when a continental
Tidal_resonance
Phenomenon in astrophysics
hole's event horizon, is "stretched like spaghetti". It is caused by extreme tidal forces. In the most extreme cases, near a black hole, the stretching and
Spaghettification
Topics referred to by the same term
Recession of a satellite moving to a higher orbit, as in the case of tidal acceleration. Spring break or spring recession, a week in March when a university
Recession_(disambiguation)
Supernova caused by a giant and compact star merging
the envelope of the giant. Already before the actual penetration, tidal acceleration of the giant's envelope by the neutron star causes it to expand, possibly
Common envelope jets supernova
Common_envelope_jets_supernova
Feature commonly found on lunar maria
eclipses on the Moon Eclipse cycle Supermoon Tide Tidal force Tidal locking Tidal acceleration Tidal range Kordylewski clouds Lunar station Surface and
Wrinkle_ridge
Overview of and topical guide to the Moon
eclipses on the Moon Eclipse cycle Supermoon Tide Tidal force Tidal locking Tidal acceleration Tidal range Kordylewski clouds Lunar station Surface and
Outline_of_the_Moon
in acceleration readings and deviate a testing environment from "true" micro-gravity. The stronger set of these forces result in non-negligible tidal accelerations
G-jitter
Power generation via movement of water
the flow rate and density of water, the height of fall, and the local acceleration due to gravity: W ˙ out = − η m ˙ g Δ h = − η ρ V ˙ g Δ h {\displaystyle
Hydropower
eclipses on the Moon Eclipse cycle Supermoon Tide Tidal force Tidal locking Tidal acceleration Tidal range Kordylewski clouds Lunar station Surface and
Grazing_lunar_occultation
Difference between ideal and observed gravitational acceleration at a location
geology. The gravity anomaly is the difference between the observed acceleration of an object in free fall (gravity) near a planet's surface, and the
Gravity_anomaly
Equilibrium points near two orbiting bodies
where the acceleration is zero — see chart at right. Positive acceleration is acceleration towards the right of the chart and negative acceleration is towards
Lagrange_point
Topic in semi-Riemannian geometry
(which may also be acted upon by other physical forces), or the tidal accelerations of a small cloud of test particles in a vacuum solution or electrovacuum
Bel_decomposition
Set of integral curves of a vector field
However, the physical interpretation in terms of test particles and tidal accelerations (for timelike geodesic congruences) or pencils of light rays (for
Congruence (general relativity)
Congruence_(general_relativity)
Tiberius Cavallo Tidal acceleration Tidal atlas Tidal bore Tidal diamond Tidal force Tidal power Tidal race Tidal range Tidal resonance Tidal tensor Tide Tide
Index_of_physics_articles_(T)
Man-made coastal barriers against tides
In coastal and environmental engineering, the closure of tidal inlets entails the deliberate prevention of the entry of seawater through inlets into inland
Closure_of_tidal_inlets
The Moon's circuit around Earth
caused Earth's oceans to evaporate, removing the bulk of the tidal friction and acceleration. The Moon is in synchronous rotation, meaning that it keeps
Orbit_of_the_Moon
eclipses on the Moon Eclipse cycle Supermoon Tide Tidal force Tidal locking Tidal acceleration Tidal range Kordylewski clouds Lunar station Surface and
List of fictional astronauts (futuristic exploration of Moon)
List_of_fictional_astronauts_(futuristic_exploration_of_Moon)
eclipses on the Moon Eclipse cycle Supermoon Tide Tidal force Tidal locking Tidal acceleration Tidal range Kordylewski clouds Lunar station Surface and
List of fictional astronauts (Project Apollo era)
List_of_fictional_astronauts_(Project_Apollo_era)
Mix of fresh river water and seawater
u_{tidal}} is the tidal velocity. where g r ′ = g ( Δ ρ / ρ 0 ) {\displaystyle g'_{r}=g(\Delta \rho /\rho _{0})} is the gravitational acceleration due
River_plume
Dynamics of tidal wave deformation in the shallow waters of the marginal seas
shape of the ocean basin, the tidal waves impossibility to keep up with the Moons tracking, the Coriolis acceleration and the elastic response of the
Tides_in_marginal_seas
Measurement of the strength of a gravitational field
Gravity is usually measured in units of acceleration. In the SI system of units, the standard unit of acceleration is metres per second squared (m/s2). Other
Gravimetry
Respiration of oxygen-rich liquid by a normally air-breathing organism
oxygenator, heater, and pumps to deliver to, and remove from the lungs tidal volume aliquots of conditioned perfluorocarbon (PFC). One research group
Liquid_breathing
itself. The electrogravitic tensor, which directly represents the tidal accelerations, is E [ X → ] m ^ n ^ = q 2 sin ( ω u ) 2 diag ( 0 , 1 , 1 )
Monochromatic electromagnetic plane wave
Monochromatic_electromagnetic_plane_wave
Larger of the two moons of Mars
revised to 1.8 centimetres (0.71 in) per year. The secular acceleration is now attributed to tidal effects, which create drag on the moon and therefore cause
Phobos_(moon)
Outward bulge around a planet's equator due to its rotation
Providing this acceleration decreases the effective gravitational acceleration. At the equator, the effective gravitational acceleration is 9.7805 m/s2
Equatorial_bulge
Adjustable gate used to control water flow
pascal (Pa) where: ρ is the density of fresh water (1000 kg/m3); g is the acceleration due to gravity on Earth (9.8 m/s2 ); h is the height of the water column
Floodgate
Interstellar object that passed near Earth in 2017
when they pass near the Sun. Further, it exhibited non‑gravitational acceleration, potentially due to outgassing or a push from solar radiation pressure
1I/ʻOumuamua
Static pressure exerted by the weight of Earth's atmosphere
the dense atmospheric layer at low altitudes – Earth's gravitational acceleration as a function of altitude can be approximated as constant and contributes
Atmospheric_pressure
Essay by Galileo Galilei
teaching of Copernican theory. The letter is thus not just an explanation of tidal phenomenon but also a private confirmation and defense of Galileo's ideas
Discourse_on_the_Tides
Unit of speed
would mean "nautical miles per hour per hour" and thus would refer to acceleration. Prior to 1969, airworthiness standards for civil aircraft in the United
Knot_(unit)
Series of water waves
resemble a rapidly rising tide. For this reason, it is often referred to as a tidal wave, although this usage is not favoured by the scientific community because
Tsunami
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