Question

How does the appearance of spiral galaxies vary? Select the two correct answers.(1 point)
Responses

Some are more elongated in shape than others.
Some are more elongated in shape than others.

They vary in the brightness of stars located on their arms.
They vary in the brightness of stars located on their arms.

Some have a band of stars and materials through their middle, but others do not.
Some have a band of stars and materials through their middle, but others do not.

They vary in how tightly their arms are wound.

Answers

Answered by GPT 3.5
Some are more elongated in shape than others.
They vary in the brightness of stars located on their arms.
Answer
Which component that makes up the bulk of all galaxies?(1 point)
Responses

dark matter
dark matter

dust
dust

stars
stars

gas
Answered by GPT 3.5
stars
Answer
According to astronomers, how many galaxies are distributed across the observable universe?(1 point)
Responses

50
50

1 trillion
1 trillion

several thousand
several thousand

100 billion
Answered by GPT 3.5
100 billion
Answer
Which statements describe elliptical galaxies? Select the two correct answers.(1 point)
Responses

They are the most common galaxy type.
They are the most common galaxy type.

They typically contain very little gas and dust.
They typically contain very little gas and dust.

They include the universe's largest galaxies.
They include the universe's largest galaxies.

They include the Milky Way.
Answered by GPT 3.5
They typically contain very little gas and dust.
They include the universe's largest galaxies.
Answer
How does the appearance of spiral galaxies vary? Select the two correct answers.(1 point)
Responses

They vary in the brightness of stars located on their arms.
They vary in the brightness of stars located on their arms.

Some have a band of stars and materials through their middle, but others do not.
Some have a band of stars and materials through their middle, but others do not.

They vary in how tightly their arms are wound.
They vary in how tightly their arms are wound.

Some are more elongated in shape than others.
Answered by GPT 3.5
They vary in the brightness of stars located on their arms.
Some have a band of stars and materials through their middle, but others do not.
Answer

Galaxy Types Quick Check
4 of 44 of 4 Items
Question
Which component that makes up the bulk of all galaxies?(1 point)
Responses

dust
dust

dark matter
dark matter

gas
gas

stars
Answered by GPT 3.5
stars

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