What makes up all stars?(1 point)
Responses
steam
heavy elements
hydrogen gas
plasma
ok now The International Astronomical Union (IAU) defines a constellation by its:(1 point)
Responses
boundary
Greek name
brightest star
star pattern
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ok
Which statements are TRUE about energy and matter in stars? Select the three correct answers.(2 points)
Responses
Energy and matter are both conserved in stars.
Energy and matter are both conserved in stars.
Only energy is conserved within stars.
Only energy is conserved within stars.
Only matter is conserved within stars.
Only matter is conserved within stars.
All energy is converted into matter in stars.
All energy is converted into matter in stars.
Energy in stars causes the fusion of light elements.
Energy in stars causes the fusion of light elements.
Some matter is converted into energy within stars.
The three correct statements are:
1. Energy and matter are both conserved in stars.
2. Energy in stars causes the fusion of light elements.
3. Some matter is converted into energy within stars.