James Webb telescope finds universe's smallest 'failed star' in cluster full of mystery molecules

Astronomers using the James Webb Space Telescope have spotted what may be the smallest known brown dwarf, a "failed star" that's only three or four times larger than Jupiter.

James Webb telescope finds universe's smallest 'failed star' in cluster full of mystery molecules
Astronomers using the James Webb Space Telescope have spotted what may be the smallest known brown dwarf, a "failed star" that's only three or four times larger than Jupiter.

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