The International Astronomical Union's. definition of a planet in the Solar System. Object is in orbit around the Sun. Object has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape. Object has cleared the neighbourhood around its orbit.
The International Astronomical Union (IAU) defined in August 2006 that, in the Solar System, a planet is a celestial body that: is in orbit around the Sun, ...
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The International Union of Geological Sciences (IUGS) is the internationally recognized body charged with fostering agreement on nomenclature and ...
The International Astronomical Union (IAU) adopted a standard by which the four terrestrials and four giants qualify, placing Ceres, Pluto, and Eris in the ...
The 2006 definition of "planet" by the International Astronomical Union (IAU) states that, in the solar system, a planet is a celestial body that: is in orbit ...
The 2006 IAU Resolution means that the Solar System officially consists of eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. In ...
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The IAU therefore resolves that planets and other bodies, except satellites, in our Solar System be defined into three distinct categories in the following way:.
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In 2006, the International Astronomical Union (IAU) - a group of astronomers that names objects in our solar system - agreed on their own definition of the ...
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Geophysical definition of planet. H. Hydrostatic equilibrium. I. IAU definition of planet. M. Mesoplanet · Planetary mnemonic · Last edited 4 months ago by ...
The IAU's definition mandates that planets be large enough for their own gravity to form them into a state of hydrostatic equilibrium; this means that they ...