AST 101 University of Toronto quiz 6 part 2

Which of the following statements is FALSE?

Group of answer choicesSpace is not empty.

There are dark clouds that block out starlight.

All the gas in space is invisible.

You can see gas in space with your naked eye.

The gas in space is mainly hydrogen and helium.

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Question 21 pts

Which of the following statements is correct?

Group of answer choices

Dust

blocks red light and lets blue light through.

Dust blocks blue light and lets red light through.

Dust blocks all light equally.

Dust is the main component of molecular clouds.

Dust is made of hydrogen and helium.

Flag this QuestionQuestion 31 pts

Why do molecular clouds collapse?

Group of answer choicesThey have a lot of mass.

They are very hot.

They are very dark.

They are very dusty.

They are made of hydrogen and helium.

Flag this QuestionQuestion 41 pts

Which type of object is not expected near a protostar?

Group of answer choicesJets

Windsd

Molecular gas

Planets

Dust