Mercury: Thin atmosphere, Smallest planet, Closest to the sun, Many craters like our moon, Fastest orbit, Venus: Earth's twin sister, Hottest planet, Rotates backwards, Similar size to Earth - little smaller, Closest to Earth, Earth: One moon, 24 hours to rotate, 70% surface is water, 365 days to revolve, Necessities to support life, Mars: Two moons, Red planet, Largest volcano, Half the size of Earth, Water in polar ice caps,

Leaderboard

Visual style

Options

Switch template

Continue editing: ?