Lesson 6.5 Star Systems and Galaxies

Question 1

Which statement does Lola need to correct, and why?

Revolt · Accepted Answer

Statement 3 because the arms are made of mostly young blue and blue-white stars.

Question 2

A binary star system is made of [___] stars, one of which is brighter than the other. Astronomers are able to detect the dimmer star because its gravity causes the bright star to [___]. Astronomers can also spot the dimmer star by observing a phenomenon called a(n) [___] binary. This happens when the dim star passes in front of the bright star.

Revolt · Accepted Answer

wobble

Question 3

A binary star system is made of [___] stars, one of which is brighter than the other. Astronomers are able to detect the dimmer star because its gravity causes the bright star to [___]. Astronomers can also spot the dimmer star by observing a phenomenon called a(n) [___] binary. This happens when the dim star passes in front of the bright star.

Revolt · Accepted Answer

eclipsing

Question 4

Use the drop-down menus to identify each type of galaxy pictured.

Revolt · Accepted Answer

elliptical galaxy; Galaxy A:: elliptical galaxy; Galaxy B:: irregular galaxy; Galaxy C:: spiral galaxy

Question 5

Galaxy B: [___]

Revolt · Accepted Answer

irregular galaxy

Question 6

Galaxy C: [___]

Revolt · Accepted Answer

spiral galaxy

Question 7

Complete the paragraph to describe binary systems.

Revolt · Accepted Answer

⇒ two: two; ⇒ wobble: wobble; ⇒ eclipsing: eclipsing

Lesson 6.5 Star Systems and Galaxies Answers

More from this Course

TRY EDGENUITY HACKS