Our solar system consists of the sun and nine planets. Mercury is the closest planet to the sun. Mercury was named after the Roman God of Commerce and Thievery. It might have gotten its name because of the way it quickly appears and disappears from Earth's view. Mercury is the second smallest planet in the solar system; Pluto is the only planet that is smaller. Earth's diameter is about 7,200, while tiny Mercury has less than …showed first 75 words of 383 total…

…showed last 75 words of 383 total…one time in the past. However, due to the erosion of soils, extremely changeable weather, and climate conditions, those craters had been leveled off. Mercury has some interesting characteristics that make it unique. It is the closest planet to the sun, has ellipse orbit, resolves around the sun faster than any other planet, rotates very slowly, has the greatest temperature change, and almost no air. Also, those facts prove that life is impossible on Mercury.