What do you know about stars?

Question 1

At the end of its life, a very massive star will run out of fuel and explode as a:

Accepted Answer

supernova

Question 2

Around the world today, astronomers observe stars using telescopes:

Accepted Answer

on Earth and in space

Question 3

How do most stars end their lives?

Accepted Answer

first a, then b

Question 4

A star's mass is the most important thing that determines:

Accepted Answer

all of the above

Question 5

How does our star, the Sun, compare to other stars?

Accepted Answer

more massive than average

Question 6

How long does it take our Solar System to orbit the center of the Milky Way Galaxy?

Accepted Answer

250 million years

Question 7

About how long does it take for the Sun's light to reach Earth?

Accepted Answer

8 minutes

Question 8

Most stars form in tightly packed groups called:

Accepted Answer

star clusters

Question 9

The Sun contains what percentage of the Solar System's mass?

Accepted Answer

98.6%

Question 10

How many stars are there in the Milky Way Galaxy?

Accepted Answer

200 billion

Questions 10