Stars, Planets and the Big Bang

Front

What does the Big Bang Theory explain?

Back

The Big Bang Theory explains how our universe began.

Front

What is the difference in distance between terrestrial and Jovian planets?

Back

The terrestrial planets are close together, while the Jovian planets are spread out.

Front

What does rotation mean in astronomy?

Back

Rotation means to spin.

Front

How are stars classified?

Back

Stars are classified by brightness and color.

Front

When did the Big Bang occur?

Back

The Big Bang occurred 13.8 billion years ago.

Front

What are terrestrial planets?

Back

Terrestrial planets are rocky planets, including Mercury, Venus, Earth, and Mars.

Front

What are Jovian planets?

Back

Jovian planets are gas giants, including Jupiter, Saturn, Uranus, and Neptune.

Front

What is the main component of stars?

Back

The main component of stars is hydrogen.

Front

What is a light-year?

Back

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

Front

What is the life cycle of a star?

Back

The life cycle of a star includes stages: nebula, main sequence, red giant, and supernova or white dwarf.