Mercury

The closest and smallest planet: its size beside Earth and the Moon, its 88-day year, its craters and the giant Caloris basin, its scorching days and freezing nights with almost no air, its long days, and the ice that may hide at its poles.

Made for ages 5 to 8 Ways to play

You're a Mercury explorer!

You found out about Mercury, the closest planet to the Sun.

You did it!