The Solar System

Question 1

About 90 percent of the stars in space are ____ stars.

Revolt · Accepted Answer

main sequence

Question 2

A star begins as a ____, a large cloud of gas and dust.

Revolt · Accepted Answer

nebula

Question 3

Our Sun is considered average because its temperature and absolute magnitude place it in the middle of the ____ range of the H-R diagram.

Revolt · Accepted Answer

main sequence

Question 4

A main sequence star becomes a ____ after it uses up the hydrogen in its core.

Revolt · Accepted Answer

giant

Question 5

In the evolution of extremely large stars, they begin as supergiants or supernovas, if the star nucleus is large enough it will continue to contract and form neutron stars, and finally, if the contractions continue, everything around the neutron star and the neutron star itself will be pulled into what is called a __________.

Revolt · Accepted Answer

black hole

Question 6

What is the area beyond a black hole where the black hole has stopped expanding and matter will no longer be pulled in?

Revolt · Accepted Answer

The horizon

Question 7

Stars that are not very hot but give off a lot of light are __________.

Revolt · Accepted Answer

giants

Question 8

Please select the word from the list that best fits the definition

Revolt · Accepted Answer

main sequence

Question 9

Which is the correct life sequence of a star?

Revolt · Accepted Answer

nebula, main sequence, giant, dwarf

Question 10

Please select the word from the list that best fits the definition

Revolt · Accepted Answer

white dwarf

The Solar System Answers

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