Earth has just one Moon.
It is a rocky place with craters.
It goes around Earth in an orbit.
It is less than a third as wide as Earth.
Days are very hot. In sun it can pass 250 degrees.
Nights are very cold. It can fall below minus 240 degrees.
In 1969, Neil Armstrong was first to walk on it.
A footprint can last for centuries or longer.
Words to know
- orbit: path around
- craters: big round holes
- centuries: hundreds of years