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terrestrial planet
(redirected from Rocky planet)

    Also found in: Encyclopedia, Wikipedia 0.01 sec.
terrestrial planet
n.
Any of the four planets, Mercury, Venus, Earth, or Mars, that are nearest the sun and have similar size and density.
terrestrial planet
See inner planet.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.terrestrial planet - a planet having a compact rocky surface like the Earth's; the four innermost planets in the solar system
major planet, planet - (astronomy) any of the nine large celestial bodies in the solar system that revolve around the sun and shine by reflected light; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto in order of their proximity to the sun; viewed from the constellation Hercules, all the planets rotate around the sun in a counterclockwise direction
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Earth is constantly being bombarded by smaller debris from comets, asteroids, and even other rocky planets in the solar system.
Hundreds in Netherlands and Germany see 'exploding fireball' in sky by Asian News International
But 28 are so-called "super-Earths" with masses 20 times the size of Earth or less, and are thus probably rocky planets, the ESO said in a press release.
Star gazers spot 32 new exoplanets by AFP / AFP Global Edition
Viewingwhite dwarfs with such instruments may tell astronomers whether rocky planets orbiting other stars all resemble Earth or come in diverse varieties.
The star that ate a Mars: astronomers study white dwarf pollution for ... by Petit, Charles / Science News
 
 
 
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