Origin and Evolution of the Universe

Question 1

Which phrase describes an irregular galaxy?

Revolt · Accepted Answer

does not have a specific shape

Question 2

Which type of star cluster forms from tightly packed groups of older stars?

Revolt · Accepted Answer

globular

Question 3

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 4

Which phrase best defines a galaxy?

Revolt · Accepted Answer

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

Question 5

Which sentence accurately describes star clusters?

Revolt · Accepted Answer

Stars form large groupings.

Question 6

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 7

Look at this image of a galaxy.

Revolt · Accepted Answer

elliptical

Question 8

Look at this image of a galaxy.

Revolt · Accepted Answer

spiral

Question 9

Which term refers to large groupings of stars?

Revolt · Accepted Answer

star clusters

Question 10

Which statement accurately describes binary star systems?

Revolt · Accepted Answer

They have stars that might appear to wobble.

Origin and Evolution of the Universe Answers