Earth-like planet

An Earth-like planet is used as a synonym for one or more of the following:

• Earth analog: another world that is very similar to Earth in size, make up, and distance from its star.
• Earth-size planet: meaning, it is not a gas giant.
• Terrestrial planet: a planet made of the same materials as Earth, i.e., primarily made of silicate rocks and an iron core. Terrestrial planets are often contrasted with gas giants.