Question

What makes up all stars?

Choices

a heavy elements
b plasma
c hydrogen gas
d steam
Answer
The International Astronomical Union (IAU) defines a constellation by its

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.
Answered by GPT 3.5
b plasma
Answered by GPT 3.5
a boundary
Answered by GPT 3.5
The three correct statements are:

a) Some matter is converted into energy within stars.
d) Energy in stars causes the fusion of light elements.
e) Energy and matter are both conserved in stars.