The International Astronomical Union (IAU) defines a constellation by its:(1 point)
Which statements are TRUE about energy and matter in stars? Select the three correct answers.
All energy is converted into matter in stars.
Energy and matter are both conserved in stars.
Some matter is converted into energy within stars.
Energy in stars causes the fusion of light elements.
Only energy is conserved within stars.
Only matter is conserved within stars.
The International Astronomical Union (IAU) defines a constellation by its boundaries.
The three correct statements about energy and matter in stars are:
Energy and matter are both conserved in stars.
Some matter is converted into energy within stars.
Energy in stars causes the fusion of light elements.
What makes up all stars
All stars are primarily composed of hydrogen and helium, the two lightest elements in the universe. However, stars also contain traces of other elements such as carbon, nitrogen, oxygen, and heavier elements like iron, which are formed through nuclear reactions and fusion processes within the star.
What makes up all stars?
heavy elements
plasma
steam
hydrogen gas