Planets: Difference between revisions
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Some astronomical objects that meet the official criteria for planet status yet also happen to orbit a planet are instead classified as natural satellites or [[moons]]. When a moon's orbit expands to the point that the [[barycentre]] of the planet-moon system falls outside the center of the planet, then both bodies would be considered planets and part of a double-planet system.<ref>https://www.universetoday.com/85749/is-the-moon-a-planet/</ref> | Some astronomical objects that meet the official criteria for planet status yet also happen to orbit a planet are instead classified as natural satellites or [[moons]]. When a moon's orbit expands to the point that the [[barycentre]] of the planet-moon system falls outside the center of the planet, then both bodies would be considered planets and part of a double-planet system.<ref>https://www.universetoday.com/85749/is-the-moon-a-planet/</ref> | ||
== [[Terrestrial Planet | == [[Terrestrial Planet]]s == | ||
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== [[Gas Giant | == [[Gas Giant]]s == | ||
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!Image | !Image | ||
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== References == | == References == | ||
<references /> | <references /> | ||
[[ru:Планеты]] | |||
[[Category:Planets]] | [[Category:Planets]] | ||
[[Category:Celestials]] | [[Category:Celestials]] | ||
[[Category:Guides]] | [[Category:Guides]] | ||