ESS
Grade-9
Easy
Question
A red giant developed from a star around the same size as the Sun will shrink and become a_________.
- Earth revolve around the Sun
- White dwarf
- Element
- Nuclei
Hint:
White dwarfs are stars that have burned up all of the hydrogen they once used as nuclear fuel.
The correct answer is: White dwarf
- Fusion in a star's core produces heat and outward pressure, but this pressure is kept in balance by the inward push of gravity generated by a star's mass.
- As the fuel is finished, gravity makes the star shrink in size.
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