Using a NASA-designed software program, members of the public helped identify a cache of brown dwarfs – sometimes called failed stars – lurking in our cosmic neighborhood.
We’ve never met some of the Sun’s closest neighbors until now. In a new study, astronomers report the discovery of 95 objects known as brown dwarfs, many within a few dozen light-years of the Sun. They’re well outside the solar system, so don’t experience heat from the Sun, but still inhabit a region astronomers consider our cosmic neighborhood. This collection represents some of the coldest known examples of these objects, which are between the sizes of planets and stars.
Members of the public helped make these discoveries through Backyard Worlds: Planet 9, a NASA-funded citizen science project that is a collaboration between volunteers and professional scientists. Backyard Worlds incorporates data from NASA’s Near-Earth Object Wide-Field Infrared Survey Explorer (NEOWISE) satellite along with all-sky observations collected between 2010 and 2011 under its previous moniker,WISE. Data from NASA’s retired Spitzer Space Telescope and the facilities of the National Science Foundation’s NOIRLab were also instrumental in the analysis.
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NASA Release by Jen Rae Wang / Steve Cole
Harvard-Smithsonian Center for Astrophysics
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