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.
            
        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
                    Answer
            
    Which component that makes up the bulk of all galaxies?(1 point)
Responses
dark matter
dark matter
dust
dust
stars
stars
gas
    
Responses
dark matter
dark matter
dust
dust
stars
stars
gas
                    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
    
Responses
50
50
1 trillion
1 trillion
several thousand
several thousand
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.
    
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.
                    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.
    
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.
                    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
            
    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.
                    Answered by
            GPT 3.5
            
    stars
    
                    Answered by
            GPT 3.5
            
    100 billion
    
                    Answered by
            GPT 3.5
            
    They typically contain very little gas and dust.
They include the universe's largest galaxies.
    
They include the universe's largest galaxies.
                    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.
    
Some have a band of stars and materials through their middle, but others do not.
                    Answered by
            GPT 3.5
            
    stars
    
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.