Brown Dwarf

A “failed” star, which is more massive than a planet but not massive enough to ignite nuclear fusion reactions at its core and shine as a true star.

Luhman 16

StarDate

Luhman 16

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Close neighbors with a familiar look

StarDate

Definitions

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Brown dwarfs versus giant planets

The words astronomers use to describe stars evoke the fairy tales of childhood: white dwarfs, red giants, red dwarfs, and