3 years ago

How is it possible for white dwarfs to have a lower luminosity than the sun even though it is much cooler?

1 answer:

4 0

Answer:

White dwarfs have an extremely small surface area to radiate this heat from, so they cool gradually, remaining hot for a long time.

Explanation:

As a white dwarf cools, its surface temperature decreases, the radiation which it emits reddens, and its luminosity decreases.

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