Universe and Galaxies

Front

A galaxy which has a nucleus of bright stars and two or more arms in circular formation is called a ___ galaxy.

Back

Spiral galaxy.

Front

According to latest theories, the Big Bang happened approximately how many years ago?

Back

About 13.8 billion years ago.

Front

What is the term for a group of stars that includes our Sun?

Back

Galaxy.

Front

What type of galaxy is characterized by a smooth, featureless shape?

Back

Elliptical galaxy.

Front

What is the nearest star to planet Earth?

Back

Sun.

Front

What is the name of our galaxy?

Back

Milky Way.

Front

What is the term for a large system of stars, gas, and dust held together by gravity?

Back

Galaxy.

Front

What type of galaxy has no distinct shape and is often chaotic in appearance?

Back

Irregular galaxy.

Front

What is the center of a galaxy typically composed of?

Back

A supermassive black hole.

Front

What is the term for the vast space that contains all of the galaxies, stars, and planets?

Back

Universe.