8.9 B Check#1

Front

Where is Earth's solar system located within the Milky Way galaxy?

Back

In one of the spiral arms.

Front

Identify the type of galaxy that is generally spherical or oval in shape and contains older stars with little gas or dust.

Back

Elliptical Galaxy.

Front

What are the three main classifications of galaxies?

Back

Galaxies can be classified as spiral, elliptical, or irregular.

Front

Why do irregular galaxies not fit into the standard classification of spiral or elliptical galaxies?

Back

They lack a defined shape and often appear chaotic.

Front

What best describes the Milky Way galaxy?

Back

A spiral galaxy with a central bulge and spiral arms.

Front

What is a spiral galaxy?

Back

A galaxy characterized by a flat, rotating disk containing stars, gas, and dust, with spiral arms extending outward.

Front

What is an elliptical galaxy?

Back

A galaxy that is generally spherical or oval in shape, containing older stars and little gas or dust.

Front

What is an irregular galaxy?

Back

A galaxy that does not have a distinct regular shape and often appears chaotic.

Front

What is the central bulge of a galaxy?

Back

A dense region of stars located at the center of spiral galaxies.

Front

What are spiral arms in a galaxy?

Back

Regions of higher density in a spiral galaxy where stars and gas are concentrated.