Question
                What makes up all stars?
Choices
a heavy elements
b plasma
c hydrogen gas
d steam
            
        Choices
a heavy elements
b plasma
c hydrogen gas
d steam
Answers
                    Answer
            
    The International Astronomical Union (IAU) defines a constellation by its
Choices
a boundary
b brightest star
c star pattern
d Greek name
    
Choices
a boundary
b brightest star
c star pattern
d Greek name
                    Answer
            
    Which statements are TRUE about energy and matter in stars? Select the three correct answers
Choices
a Some matter is converted into energy within stars.
b All energy is converted into matter in stars.
c Only energy is conserved within stars.
d Energy in stars causes the fusion of light elements.
e Energy and matter are both conserved in stars.
f Only matter is conserved within stars.
    
Choices
a Some matter is converted into energy within stars.
b All energy is converted into matter in stars.
c Only energy is conserved within stars.
d Energy in stars causes the fusion of light elements.
e Energy and matter are both conserved in stars.
f Only matter is conserved within stars.
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