This artist's conception shows the object named WISE J085510.83-071442.5, the coldest known brown dwarf. Brown dwarfs are dim star-like bodies that lack the mass to burn nuclear fuel as stars do.
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Cold and Close Celestial Orb (Artist's Concept)

This artist's conception shows the object named WISE J085510.83-071442.5, the coldest known brown dwarf. Brown dwarfs are dim star-like bodies that lack the mass to burn nuclear fuel as stars do.

WISE J085510.83-071442.5 is as cold as the North Pole (or between minus 54 and 9 degrees Fahrenheit, which is minus 48 to minus 13 degrees Celsius). The color of the brown dwarf in this image is arbitrary; it would have different colors when viewed in different wavelength ranges.

This celestial orb is also the fourth closest to our sun, at 7.2 light-years from Earth. In this illustration, the sun is the bright star directly to the right of the brown dwarf. Our sun's closest neighboring system (not pictured) is Alpha Centauri, at 4 light-years from Earth.

Image details

ID#:
PIA18001

Date added:
2014-04-25

Mission:
Wide-field Infrared Survey Explorer (WISE)

Rating:



Views:
1,579

Full-Res TIFF:
PIA18001.tif (15.2 MB)

Full-Res JPG:
PIA18001.jpg (0.22 MB)

Image credit:
NASA/JPL-Caltech/Penn State University