8.8A : Level 3 Vocabulary

Front

What is a celestial structure characterized by having long, spiral arms and a bright center bulge?

Back

Spiral Galaxy

Tags

NGSS.MS-ESS1-2

Front

What is a massive collection of stars held together by gravity?

Back

Galaxy

Tags

NGSS.MS-ESS1-2

Front

What process occurs when atoms collide at such high speeds and temperatures that two atoms merge into one?

Back

Nuclear Fusion

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Front

What is a celestial structure that is a collection of stars held together by gravity and has an oval shape, but lacks spiral arms?

Back

Elliptical Galaxy

Front

What is a dense ball of gas where nuclear fusion is ongoing?

Back

Star

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Front

What is the term for the force that holds stars together in a galaxy?

Back

Gravity

Front

What type of galaxy is characterized by a flat disk containing stars, gas, and dust, and a central concentration of stars known as the bulge?

Back

Spiral Galaxy

Front

What is the main difference between a spiral galaxy and an elliptical galaxy?

Back

Spiral galaxies have spiral arms and a flat disk, while elliptical galaxies are oval-shaped and lack spiral arms.

Front

What is the process by which stars are formed from clouds of gas and dust?

Back

Stellar Formation

Front

What is the name of the galaxy that contains our solar system?

Back

Milky Way Galaxy

Tags

NGSS.MS-ESS1-2