What Is one quarter the size of Earth, has no moons, and has an almost non-existent atmosphere?

6 Answers

  • If you mean planet, that would be Mercury. There are other objects in our solar system that could fit the criteria.

    Our moon, Ganymede, and Callisto are about a quarter the size of Earth and have no atmosphere or moon.

  • Mercury is about 1/3 the Earth (it does depend on how you measure, though), so I say the Moon is a better answer.

  • The Planet Mercury.

    It's structure though shows that is but the remaining core of a body much bigger which suffered a massive collision at some time.

  • The planet Mercury.

  • Mercury.

  • In the solar system, that would be Mercury.

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