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Do Brown Dwarfs emit visible light?

Answer 1

Yes, very dimar. The glow is usually reddish rather than brown.

Brown dwarfs emit mostly infrared radiation, but we can see a visible glow through telescopes. They are warmed by gravitational compression and a small amount of fusion involving deuterium and lithium nuclei (but not fusion of protons which powes full-fledged stars). See https://tutor.hix.ai

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Answer 2

Everett Abrams

Brown dwarfs do not emit significant visible light; they primarily emit infrared radiation due to their lower temperatures compared to stars.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.