ESS
Grade-9
Easy
Question
What happens when a white dwarf cools completely?
- It stops radiating light and turn into a black dwarf.
- It stops producing light and turn into a neutron star.
- It stops radiating light and turn into a black hole.
- It stops releasing light and turn into a red hole.
Hint:
Over a very long time, a white dwarf will cool and its material will begin to crystallize, starting with the core.
The correct answer is: It stops radiating light and turn into a black dwarf.
- Eventually over tens or even hundreds of billions of year a white dwarf cools until it becomes a black dwarf, which emits no energy
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