Earth and the Moon

The Moon

Who was among the first astronomers to study the surface of our Moon?

Galileo Galilei, the first astronomer to study the universe with a telescope, observed that the Moon’s surface was not smooth, but rather covered with mountains and craters. The broad, dark patches on the Moon looked to him like seas on Earth, so he named them maria, or “seas” in Latin.


This is a web preview of the "The Handy Astronomy Answer Book" app. Many features only work on your mobile device. If you like what you see, we hope you will consider buying. Get the App