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Physical process that generates a star's magnetic field
The solar dynamo is a physical process that generates the Sun's magnetic field. It is explained with a variant of the dynamo theory. A naturally occurring
Solar_dynamo
Periodic change in the Sun's activity
the deterministic planetary influence on solar dynamo. Modern dynamo models are able to reproduce the solar cycle without any planetary influence. In
Solar_cycle
Star at the centre of the Solar System
a magnetic dynamo, or solar dynamo, within this layer generates the Sun's magnetic field. The Sun's convection zone extends from 0.7 solar radii (500
Sun
Regular period of least solar activity
Solar minimum is the regular period of least solar activity in the Sun's 11-year solar cycle. During solar minimum, sunspot and solar flare activity diminishes
Solar_minimum
Mechanism by which a celestial body generates a magnetic field
geodynamo is liquid iron in the outer core, and in the solar dynamo is ionized gas at the tachocline. Dynamo theory of astrophysical bodies uses magnetohydrodynamic
Dynamo_theory
Natural phenomena within the Sun's atmosphere
wave flux, solar flares, coronal mass ejections, coronal heating and sunspots. These phenomena are believed to be generated by a helical dynamo, located
Solar_phenomena
Empirical law for solar active regions
and Spörer's law, provides observational constraints for models of the solar dynamo, which generates the Sun's magnetic field. Hale's law suggests that active
Hale's_law
Outermost layer of the Sun's atmosphere
ranges. The upwelling of the solar magnetic field from the action of the solar dynamo constantly changes the structure of the solar corona. The corona is not
Solar_corona
German physicist
Senior Prize of the Solar Physics Division of the European Physical Society for his contributions to the study of the solar dynamo. "Solar News: The Electronic
Manfred_Schüssler
Region of a star
the convective zone alone may be responsible for the function of the solar dynamo. The term tachocline was coined in a paper by Edward Spiegel and Jean-Paul
Tachocline
Study of the structure and dynamics of the Sun through its oscillation
is thought to be a key component for the solar dynamo. Although it roughly coincides with the base of the solar convection zone — also inferred through
Helioseismology
Empirical law for solar active regions
provides observational support for the operation of the "alpha effect" in solar dynamo action. It is named after American astronomer Alfred Harrison Joy. Spörer's
Joy's_law_(astronomy)
Central region of the Sun
The solar core is the hot, dense region at the center of the Sun where energy is generated by nuclear fusion. It is considered to extend from the Sun's
Solar_core
Telescope used to observe the Sun
interest a solar astronomer are its 11-year periodicity (i.e., the Solar Cycle), sunspots, magnetic field activity (see solar dynamo), solar flares, coronal
Solar_telescope
American solar physicist (1927–2022)
contributions in plasma astrophysics, including predicting the solar wind, explaining the solar dynamo, formulating the theory of magnetic reconnection, and the
Eugene_Parker
Topics referred to by the same term
bodies Solar dynamo, the physical process that generates the Sun's magnetic field DYNAMO (programming language), a simulation language Dynamo (storage
Dynamo_(disambiguation)
Atmospheric dynamo is a pattern of electrical currents that are set up in the Earth's ionosphere by multiple effects, mostly the Sun's solar wind, but also
Atmospheric_dynamo
Region of space dominated by the Sun
"inflated" by plasma originating from the Sun, known as the solar wind. Outside the heliosphere, this solar plasma gives way to the interstellar plasma permeating
Heliosphere
European space-based solar observatory
fills the heliosphere? How does the solar dynamo work and drive connections between the Sun and the heliosphere? The Solar Orbiter spacecraft is a Sun-pointed
Solar_Orbiter
Indian scientist
Choudhuri, A. R. (2004). "Full-sphere simulations of a circulation-dominated solar dynamo: Exploring the parity issue". Astronomy and Astrophysics. 427 (3): 1019
Arnab_Rai_Choudhuri
Structure extending off of the Sun's surface
In solar physics, a prominence, sometimes referred to as a filament, is a large plasma and magnetic field structure extending outward from the Sun's surface
Solar_prominence
Arch-like structure in the Sun's corona
number of coronal loops varies with the 11 year solar cycle. Due to a natural process called the solar dynamo driven by heat produced in the Sun's core, convective
Coronal_loop
Indian solar physicist
atmospheric magnetoseismology. He has also studied space weather and the solar dynamo through long-term observations such as those provided by the 100-year
Dipankar Banerjee (solar physicist)
Dipankar_Banerjee_(solar_physicist)
solar dynamics and are therefore important to the future study of the solar dynamo. The idea of transequatorial loops was first developed by Horace W. Babcock
Transequatorial_loop
Comic book characters
Crimson Dynamo (Russian: Багровое Динамо, Bagrovoe Dinamo; also Красное Динамо (Krasnoe Dinamo)) is the name of several characters appearing in American
Crimson_Dynamo
Mechanism explaining sunspot patterns
half-dynamo-cycle corresponds to a single sunspot solar cycle. At a solar maximum, the external poloidal dipolar magnetic field is near its dynamo-cycle
Babcock_model
American experimental physicist and writer
effective diffusion of flux on the solar surface (now called Leighton diffusion), and he included it in a dynamo model of the solar cycle. In the early 1960s,
Robert_B._Leighton
Indian astronomer
dynamics and magnetohydrodynamical (MHD) of the solar interior and dynamo. The main focus is: Global MHD of dynamo-generated magnetic fields and Atmospheric
Mausumi_Dikpati
Temporary spots on the Sun's surface
December 2007). "The 27-Day Signal in Sunspot Number Series and the Solar Dynamo". Solar Physics. 246 (2): 295–307. Bibcode:2007SoPh..246..295L. doi:10
Sunspot
required to sustain this solar-type dynamo. Hotter stars, lacking deep convective envelopes, are unable to sustain the dynamo, and so magnetic braking
Kraft_break
Brightest star in the constellation Boötes
detection of a weak magnetic field on the giant Arcturus: remnants of a solar dynamo?". Astronomy & Astrophysics. 529: 6. Bibcode:2011A&A...529A.100S. doi:10
Arcturus
influence of solar activity on the Earth's climate? What are the fundamental physical processes taking place on the Sun? How does the solar dynamo work? What
Galileo_Solar_Space_Telescope
Ejecta from the Sun's corona
magnetic fields that are initially generated in the Sun's interior by the solar dynamo. These magnetic fields rise to the Sun's surface—the photosphere—where
Coronal_mass_ejection
Solar activity from December 2008 to December 2019
utilized a solar Dynamo model, to accurately predict the low. This method used the correlation between solar magnetic field strength at solar minimum to
Solar_cycle_24
Region around an astronomical object
because Venus appears to have no internal dynamo effect, the only magnetic field present is that formed by the solar wind's wrapping around the physical obstacle
Magnetosphere
Region of a star
of which is visible in the Sun as solar granulation. Low-mass main-sequence stars, such as red dwarfs below 0.35 solar masses, as well as pre-main sequence
Convection_zone
Turbulence that concerns the regimes of magnetofluid flow at high Reynolds number
modelling, experiments, and observations (e.g., solar wind). Magnetohydrodynamics Turbulence Alfvén wave Solar dynamo Reynolds number Navier–Stokes equations
Magnetohydrodynamic turbulence
Magnetohydrodynamic_turbulence
Overview of the scientific field of astronomy
Heliopause Bow shock Related phenomena Solar dynamo Solar eclipse Sunlight Solar energy Equipment used to study the Sun Solar telescope Planet Features Natural
Outline_of_astronomy
Region of a star
sequence stars below about 0.3 solar masses are entirely convective, meaning they do not have a radiative zone. From 0.3 to 1.2 solar masses, the region around
Radiative_zone
isotropic. At heights between about 85 and 200 km however -the dynamo region-, solar X- and extreme ultraviolet radiation (XUV) is almost completely
Ionospheric_dynamo_region
Parker plasma astrophysics, including predicting the solar wind, explaining the solar dynamo, and formulating the theory of magnetic reconnection Maxwell
List_of_plasma_physicists
Constant speed wavetrain
the Sun, as part of the solar cycle. They are a consequence of the generation of the Sun's magnetic field by the solar dynamo. As such, they are related
Periodic_travelling_wave
Temporary region on the Sun
by the solar dynamo emerge from the solar interior. Analysis of Doppler velocity maps from the Hinode/EIS instrument, which observe the solar corona in
Active_region
Magnetic field generated inside a star
solar dynamo theory, are caused within the convective zone of the star. The convective circulation of the conducting plasma functions like a dynamo.
Stellar_magnetic_field
Type of direct current electrical generator
the Jupiter Io system, the Moon, the Solar Wind, sunspots, and in the Venusian magnetic tail. Like all dynamos, the Faraday disc converts kinetic energy
Homopolar_generator
magnetohydrodynamics. Applications include studies of planet formation, the solar dynamo, mono-chromatic radiative transfer, the coronal heating problem, debris
Pencil_Code
contributions in plasma astrophysics, including predicting the solar wind, explaining the solar dynamo, formulating the theory of magnetic reconnection, and the
James Clerk Maxwell Prize for Plasma Physics
James_Clerk_Maxwell_Prize_for_Plasma_Physics
Characters from DC Comics
supervillainess with a petrifying gaze. Solar Dynamo – A supervillain with unspecified energy projection abilities that might be solar-based. Spyderr – A supervillain
Chris_King_and_Vicki_Grant
Combinations between different technologies to generate electric power
electricity generation together, usually using renewable technologies such as solar photovoltaic (PV) and wind turbines. Hybrid systems provide a high level
Hybrid_power
S2CID 195340740. Kitchatinov, Leonid; S. Olemskoy (2016). "Dynamo model for grand maxima of solar activity: can superflares occur on the Sun?". Mon. Not.
List_of_solar_storms
Differential rotation of the Sun
"Numerical simulations of stellar convective dynamos III. At the base of the convection zone". Solar Physics. 125 (1–2): 137–150. Bibcode:1985GApFD
Solar_rotation
Star system in the constellation Andromeda
magnetic field of the star is generated by a mechanism different from the solar dynamo. A Sun-like differential rotation of the star was observed instead. The
Zeta_Andromedae
meanings of those names. Official naming citations of newly named small Solar System bodies are approved and published in a bulletin by IAU's Working
Meanings of minor-planet names: 18001–19000
Meanings_of_minor-planet_names:_18001–19000
Second planet from the Sun
Venusian solar year, which is 224.7 Earth days long. Venus has a weak magnetosphere; lacking an internal dynamo, it is induced by the solar wind interacting
Venus
Indian mathematician and astrophysicist (1936–2021)
on solar physics, astrophysics and gravitational lensing. He performed extensive research on the Sun's magnetic activity cycle, the solar dynamo theory
Shashikumar_Chitre
Filipino media company
Solar Entertainment Corporation (doing business as Solar Studios Inc. and also known as Solar Entertainment, and simply known as Solar or SEC) is a Filipino
Solar_Entertainment
Third planet from the Sun
This is made possible by Earth being an ocean world, the only one in the Solar System sustaining liquid surface water. Almost all of Earth's water is contained
Earth
Atmospheric effect caused by the solar wind
in principle to generate electric currents by dynamo action and impart energy from the flow of the solar wind. However, this process is hampered by the
Aurora
Mercury's small magnetic field
magnetic field can be explained by dynamo theory. The magnetic field is strong enough near the bow shock to slow the solar wind, which induces a magnetosphere
Mercury's_magnetic_field
Past magnetic field of the planet Mars
an early dynamo that produced a strong magnetic field 4 billion years ago, comparable to Earth's present surface field. After the early dynamo ceased,
Magnetic_field_of_Mars
extends from Earth's interior out into space, where it interacts with the solar wind, a stream of charged particles emanating from the Sun. The magnetic
Earth's_magnetic_field
Branch of astronomy
variation with the solar cycle that is due to the variations in the interplanetary magnetic field which followed the 22-year solar dynamo cycle. The first
Dust_astronomy
Layer of the Earth's atmosphere above the mesosphere and below the exosphere
understood. One possible way to transfer energy is via a hydrodynamic dynamo process. Solar wind particles penetrate the polar regions of the magnetosphere
Thermosphere
Device that collects heat
installations such as solar parabolic troughs and solar towers, or to non-water-heating devices such as solar cookers or solar air heaters. Solar thermal collectors
Solar_thermal_collector
Human-powered flashlight
lamp used for third world countries Solar-powered flashlight – Flashlights powered by solar energy "Tiny Dynamo Operates New Batteryless Flashlight"
Mechanically powered flashlight
Mechanically_powered_flashlight
Natural satellite orbiting Earth
of Earth's (about as wide as the contiguous United States). Within the Solar System, it is larger and more massive than any known dwarf planet, and the
Moon
Magnetic field within the Solar System
an MHD dynamo.[citation needed] The interplanetary magnetic field at the Earth's orbit varies with waves and other disturbances in the solar wind, known
Interplanetary_magnetic_field
Flashlights powered by solar energy
features such as a solar cell phone charger, an AM/FM radio, or a siren to call for help in an emergency. Some models include a hand crank dynamo for charging
Solar-powered_flashlight
Proposed Mars exploration aircraft
fixed wing, vertical take-off/landing (VTOL), electric aircraft powered by solar energy. It is designed to operate on Mars. Range with a fully charged battery
Mars Aerial and Ground Global Intelligent Explorer
Mars_Aerial_and_Ground_Global_Intelligent_Explorer
Irish physicist
the Birmingham Solar Oscillations Network (BiSON), the longest running helioseismology network with data covering more than three solar cycles. In 1970
Yvonne_Elsworth
Sixth planet from the Sun
metallic-hydrogen layer called a metallic-hydrogen dynamo. This magnetosphere is efficient at deflecting the solar wind particles from the Sun. The moon Titan
Saturn
Innermost layer(s) of a planet
and solid components interact to produce a dynamo. Current understanding of the outer planets in the solar system, the ice and gas giants, theorizes small
Planetary_core
wind Small hydro Solar box cooker Solar cell Solar chimney Solar panel Solar energy Solar power satellite Solar thermal energy Solar updraft tower – large
List_of_energy_resources
Change in the Earth's magnetic field
the solar magnetic field (the 22 or 11 year solar cycle). However, the equivalent process in the sun invariably leads to a reversal of the solar magnetic
Geomagnetic_excursion
First planet from the Sun
the liquid state necessary for this dynamo effect. Mercury's magnetic field is strong enough to deflect the solar wind around the planet, creating a magnetosphere
Mercury_(planet)
Long-term future of planet Earth
that cause it to function as a dynamo. This generates a magnetosphere about the Earth that deflects particles from the solar wind, which prevents significant
Future_of_Earth
Process of generating electrical power
kinetic energy of flowing water and wind. Other energy sources include solar photovoltaics and geothermal power. There are exotic and speculative methods
Electricity_generation
Accounting of heat created within the Earth
energy budget at the surface, which is dominated by 173,000 TW of incoming solar radiation. This external energy source powers most of the planet's atmospheric
Earth's_internal_heat_budget
Chemical compound
non-axisymmetric. This fact can be explained if the magnetic fields are produced by dynamo effect within a sufficiently thin conductive layer. However, the origin
Trihydrogen_oxide
Variations in rotation rates
Galaxies and protostars usually show differential rotation; examples in the Solar System include the Sun, Jupiter and Saturn. Around the year 1610, Galileo
Differential_rotation
Eighth planet from the Sun
geometrical constraints of the field's dynamo generator. Neptune's bow shock, where the magnetosphere begins to slow the solar wind, occurs at a distance of 34
Neptune
Global-scale periodic oscillations of the atmosphere
smaller than those generated by solar heating. Solar tides will refer to only thermal solar tides from this point. Solar energy is absorbed throughout the
Atmospheric_tide
Private university in Ithaca, New York, US
became one of the first electrified universities, employing a water-powered dynamo to light parts of the campus. Since 1894, the university has incorporated
Cornell_University
Star in the constellation Draco
convective dynamo action influenced by rotation. EK Draconis has been extensively studied as a proxy for the young Sun due to its age and solar-like properties
EK_Draconis
Device that converts other energy to electrical energy
solar power and chemical fuels, respectively, to generate electrical power. Electromagnetic generators fall into one of two broad categories, dynamos
Electric_generator
Russian ice hockey player
70th overall, of the 1995 NHL entry draft. After playing two seasons with Dynamo Moscow, Vyshedkevich came to North America to play with the Devils' AHL
Sergei_Vyshedkevich
Planet containing a significant amount of water or other liquid
worlds provide clues to their history and the formation and evolution of the Solar System as a whole. Of additional interest is their potential to originate
Ocean_world
Facility generating electric power
Cragside, England. It used water from lakes on his estate to power Siemens dynamos. The electricity supplied power to lights and heating, produced hot water
Power_station
Largest moon of Jupiter
natural satellite of Jupiter and is the largest and most massive moon in the Solar System. Like Saturn's largest moon, Titan, it is larger than the planet
Ganymede_(moon)
the Sun in decimetric and centimetric wavelengths" (PDF). Solar and Astrophysical Dynamos and Magnetic Activity, Proceedings IAU Symposium No. 294, 2012
List_of_solar_telescopes
American businessman (born 1964)
expressed an interest in space travel and the development of human life in the Solar System. His 1982 high school valedictorian senior graduation speech was
Jeff_Bezos
American software company
Autodesk Constructware Inventor LT Inventor LT Suite Dynamo Studio – the product was replaced by Dynamo Sandbox. Autodesk TruComposites Autodesk TruNest Autodesk
Autodesk
Apollo samples record impacts, not a core dynamo[5,6]. Importantly, the lack of a long-lasting lunar dynamo and paleomagnetosphere should have allowed
Magnetic_field_of_the_Moon
American comic book series
still something that my fan base will probably enjoy." Scientists Doctor Dynamo and Max Maximus discovered a hole in the Earth that led to Inner Earth,
Super_Dinosaur
Malawian inventor
and materials collected in a local scrapyard. Since then, he has built a solar-powered water pump that supplies the first drinking water in his village
William_Kamkwamba
Ionized part of Earth's upper atmosphere
worldwide solar-driven wind results in the so-called Sq (solar quiet) current system in the E region of the Earth's ionosphere (ionospheric dynamo region)
Ionosphere
Second NASA orbiter mission to Jupiter (2011–Present)
spacecraft sent to the outer Solar System and beyond—which used radioisotope thermoelectric generators for power—Juno is powered by solar panels, more commonly
Juno_(spacecraft)
Russian ice hockey player
professional ice hockey defenceman who currently is an assistant coach for Dynamo Moscow in the KHL. During his playing career, which lasted from 1989 to
Andrei_Skopintsev
Process of changing something to use electricity
vehicles) or heating electrification (referring to heat pumps powered with solar photovoltaics) are used. It may also apply to changing industrial processes
Electrification
Brightest star of the constellation Hydrus
three times the Sun's luminosity. It is one of the oldest stars in the solar neighborhood, with an age between 6.1 and 7.5 billion years. This star bears
Beta_Hydri
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