Astronomy Concepts and Constellations

Front

What is a constellation?

Back

A constellation is a group of visible stars that form a pattern when viewed from Earth.

Front

What causes the stars to appear to move in the night sky?

Back

The stars appear to move because the Earth is rotating on its axis.

Front

Why can't we see constellations during the day?

Back

We can't see constellations during the day because the sun is too bright.

Front

What is the common name for the constellation Ursa Major?

Back

The Big Dipper.

Front

What is a revolution in astronomy?

Back

A revolution is one completed cycle of an object around another object.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of an object on its axis, while revolution is the movement of an object around another object.

Front

What are stars primarily made of?

Back

Stars are primarily made of hydrogen and helium.

Front

What is the Milky Way?

Back

The Milky Way is the galaxy that contains our solar system and billions of other stars.

Front

What is a light year?

Back

A light year is the distance that light travels in one year, about 5.88 trillion miles.

Front

What is the North Star also known as?

Back

The North Star is also known as Polaris.