Star Systems and Galaxies

Question 1

Which phrase best defines a galaxy?

Revolt · Accepted Answer

large collection of stars, gas, and dust held together by gravity

Question 2

Which sentence accurately describes star clusters?

Revolt · Accepted Answer

Stars form large groupings.

Question 3

Which statement describes a characteristic of a spiral galaxy?

Revolt · Accepted Answer

It is shaped like a pinwheel.

Question 4

The dimmer star in a two-star system passes in front of the brighter star. Which phenomenon does this describe?

Revolt · Accepted Answer

eclipsing binary

Question 5

Look at this image of a galaxy.

Revolt · Accepted Answer

spiral

Question 6

Which statement accurately describes binary star systems?

Revolt · Accepted Answer

They have stars that might appear to wobble.

Question 7

Which phrase accurately describes an elliptical galaxy?

Revolt · Accepted Answer

has no new stars being formed

Question 8

Two types of spiral galaxies exist. A normal spiral galaxy is one kind. Which phrase best describes the second type of spiral galaxy?

Revolt · Accepted Answer

has a bar through the middle from which arms extend

Question 9

What phrase best defines a star system?

Revolt · Accepted Answer

a group of two or more stars

Question 10

Look at this image of a star cluster.

Revolt · Accepted Answer

open

Star Systems and Galaxies Answers