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Graphic of Number of Stars vs. Spectral Type within 32 light-years of Earth

Graphic of Number of Stars vs. Spectral Type within 32 light-years of Earth
This diagram shows the various stellar populations within 32 light-years of Earth as measured by the RECONS survey. The largest population consists of red dwarfs, but the population of slightly lower mass brown dwarfs drops off precipitously. This is known as the "brown dwarf desert."
  • Release Date
    January 5, 2009
  • Science Release
    Brown Dwarfs Don’t Hang Out With Stars
    Read the release
  • Credit
    Artwork: NASA, ESA, and A. Feild (STScI); Science: NASA, ESA, and T. Henry (Georgia State University)

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Last Updated
Mar 28, 2025
Contact
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Claire Andreoli
NASA’s Goddard Space Flight Center
Greenbelt, Maryland
claire.andreoli@nasa.gov

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