14.4 The Universe

Front

What phase of the moon will it be 7 days after a first quarter moon?

Back

Full moon.

Front

What type of star is Rigel?

Back

Blue supergiant.

Front

Which type of star is most likely to have planets that can support life?

Back

Low mass star.

Front

What is a collection of billions of stars bound together gravitationally called?

Back

Galaxy.

Front

What does the Solar Nebula Theory describe?

Back

Stars were formed by clouds of dust and gas by the force of gravity.

Front

What is the term for the initial state of the universe before the Big Bang?

Back

Singularity.

Front

What is the process called when a star explodes at the end of its life cycle?

Back

Supernova.

Front

What is the name of our galaxy?

Back

The Milky Way.

Front

What is the main sequence in the context of stars?

Back

A continuous and distinctive band of stars that appears on plots of stellar color versus brightness.

Front

What is the primary force that holds galaxies together?

Back

Gravity.