Astronomy Flashcard

Front

What is a galaxy?

Back

A collection of billions of stars

Front

What is the Milky Way?

Back

A galaxy

Front

What are asteroids?

Back

Rocky objects smaller than planets

Front

What is the role of gravity in the formation of the solar system?

Back

It pulled gas and dust together to form the Sun

Front

How long does it take for the Earth to orbit the Sun?

Back

365.2442 days

Front

What causes the different phases of the Moon?

Back

The Moon's orbit around the Earth

Front

What is a solar eclipse?

Back

The Moon blocking light from the Earth