Galaxies and Stars

Front

What is the Milky Way?

Back

The Milky Way is a spiral galaxy.

Front

What distance measurement do astronomers use for distant objects?

Back

Light Years.

Front

How far is the sun from the earth?

Back

The sun is approximately 8.4 light-minutes away from the earth.

Front

What type of galaxy is characterized by a spiral shape?

Back

A spiral galaxy.

Front

What type of galaxy has no special shape or form?

Back

An irregular galaxy.

Front

What are the three main types of galaxies?

Back

Spiral, elliptical, and irregular.

Front

What is the shape of an elliptical galaxy?

Back

An elliptical galaxy has an oval or elongated shape.

Front

What is a light year?

Back

A light year is the distance that light travels in one year.

Front

What is the closest star system to Earth?

Back

The closest star system to Earth is Alpha Centauri.

Front

What is the primary component of stars?

Back

The primary component of stars is hydrogen.