none. Mars Earth and Venus have relatively thick atmospheres. it was long assumed that Mercury did not have an atmosphere but a very thin atmosphere around the planet. Mercury's atmosphere is composed of: 42%O2 29%Na 22%H2 06%He 00.5%K
inner planet.
Mercury's surface is heavily cratered, with plains, scarps, and ridges. It has a rocky terrain with high temperature variations between day and night due to its lack of atmosphere to retain heat. The surface also contains volcanic plains and evidence of past tectonic activity.
Mars is an inner planet.
It is an inner planet.
inner planet
Inner.
Mars is an inner planet, located between Earth and the asteroid belt. The inner planets are rocky and terrestrial, while the outer planets are gas giants.
Venus is an inner planet
Venus is an inner planet.
Meteorites that originate from the asteroid belt can collide with Earth, carrying evidence of Earth's inner composition. By analyzing these meteorites, scientists can study the interior structure and composition of our planet.
Neither. The moon is not a planet; it is a natural satellite of Earth, which is an inner planet.