HD 69830 c
Encyclopedia
HD 69830 c is the 2nd planet
orbiting HD 69830
. This is likely to be a rocky planet, not a gas giant
. If it had formed as a gas giant, it would have stayed that way.
Planet
A planet is a celestial body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has cleared its neighbouring region of planetesimals.The term planet is ancient, with ties to history, science,...
orbiting HD 69830
HD 69830
HD 69830 is an orange dwarf star approximately 41 light-years away in the constellation of Puppis. It has the Gould designation 285 G. Puppis, though this is infrequently used. In 2005, the Spitzer Space Telescope discovered a debris disk orbiting the star. The disk contains substantially more...
. This is likely to be a rocky planet, not a gas giant
Gas giant
A gas giant is a large planet that is not primarily composed of rock or other solid matter. There are four gas giants in the Solar System: Jupiter, Saturn, Uranus, and Neptune...
. If it had formed as a gas giant, it would have stayed that way.