terrestrial planet
- n a planet having a compact rocky surface like the Earth's; the four innermost planets in the solar system
terrestrial planet :
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- More Than 1,000 Exoplanets Have Been Discovered Since 1992
Lee Rannals for redOrbit.com - Your Universe Online The search for extra-terrestrial planets has been ongoing for at least the past 21 years. Since the early days of exoplanet hunting, the number of such planets identified by scientists has pushed beyond a thousand, thanks largely to the advent of high-tech space observatories, such as the Kepler Space Telescope . Exoplanets, or alien planets ...
Oct. 25, 2013 - redOrbit