Stars and Galaxies

Front

What color of star is the coolest?

Back

Red stars are the coolest type of stars.

Front

What color of star is the hottest?

Back

Blue stars are the hottest type of stars.

Front

True or False: The Sun is the biggest star in the sky.

Back

False. The Sun is not the biggest star; there are larger stars in the universe.

Front

What is the distance measurement used by astronomers for distant objects?

Back

Light Years are used to measure vast distances in space.

Front

Why do other stars appear so much smaller than the sun?

Back

They appear smaller because they are so far away from Earth.

Front

What is a galaxy?

Back

A galaxy is a massive system of stars, stellar remnants, interstellar gas, dust, and dark matter bound together by gravity.

Front

What is the Milky Way?

Back

The Milky Way is the galaxy that contains our Solar System.

Front

What is a light year?

Back

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

Front

What are the main types of galaxies?

Back

The main types of galaxies are spiral, elliptical, and irregular.

Front

What is a supernova?

Back

A supernova is a powerful and luminous explosion of a star, marking the end of its life cycle.