Which planets are terrestrial planets?

Terrestrial planets are Earth-like planets (in Latin, terra means Earth) made up of rocks or metals with a hard surface — making them different from other planets that lack a solid surface. Terrestrial planets also have a molten heavy metal core, few moons, and topological features such as valleys, volcanoes and craters. read more

Terrestrial Planets. A terrestrial planet, also known as a telluric planet or rocky planet is defined as a planet that is composed primarily silicate rocks or metals. In our solar system, the terrestrial planets are the inner planets - i.e. the ones closest to the Sun. read more

The four innermost planets of our solar system (Mercury, Venus, Earth and Mars) are called the “terrestrial” planets. The name comes from the word “telluric” derived from the Latin words “terra” and “tellus”, used to refer to Earth. read more