brown dwarf

  • Important discovery of a cold brown dwarf

    Astronomers achieve a first using radio observations.

    Astronomers have reported the first direct discovery of a cold brown dwarf from its radio wavelength emission. It...

    Astronomy November 11, 2020
  • Brown dwarfs that are doubly cool

    Discoveries help bridge an important knowledge gap.

    Astronomers and citizen scientists have together discovered 95 of the coolest known brown dwarfs – objects more massi...

    Astronomy August 20, 2020
  • Astronomers track clouds on failed stars

    Fluctuations in the brightness of brown dwarfs turn out to be due to high winds and fast-moving b...

    An artist’s impression of a brown dwarf showing banded clouds.NASA / JPLThe dimly glowing balls of gas that dot the g...

    Space August 18, 2017
  • 100 billion brown dwarfs may populate our galaxy

    New survey dramatically increases estimated number of failed stars throughout the Milky Way.

    The Milky Way may contain as many as 100 billion brown dwarfs, according to new research to be published in the Month...

    Space July 6, 2017
  • Bright, young Jupiter-like 'orphan' found floating nearby

    A cross between a planet and a brown dwarf has been spotted sailing through space – and it's ...

    This artist's conception illustrates a Jupiter-like planet alone in the dark of space, floating freely without a pare...

    Space April 11, 2016
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