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Artists concept of the brown dwarf Gliese 229 b
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Artists concept of the brown dwarf Gliese 229 b
Artists concept of how the brown dwarf Gliese 229 b might appear from a distance of about a half million miles. Glowing like a charcoal ember, Gliese 229 b was discovered in 1995 and is 19 light years from the Earth. This brown dwarf orbits the red dwarf Gliese 229A in the constellation Lepus. Gliese 229A can be seen shining dimly on the upper left. These two dwarfs are about four billion miles apart, about the same distance between Pluto and our sun.
Gliese 229 b is believed to be 30 to 40 times more massive than the planet Jupiter, which is massive enough for Gliese 229 b to sustain deuterium fusion, but not enough mass to initiate hydrogen fusion like our Sun. As a result, Gliese 229 b radiates a temperature of only 1, 300 F. It is believed to be two to four billion years old.
Despite being so much more massive than the planet Jupiter, the diameter of this brown dwarf is believed to be actually slightly less than Jupiter s; Gliese 229 bs greater mass results in its overcoming the internal pressures that sustain Jupiters greater volume
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Media ID 13064429
© Walter Myers/Stocktrek Images
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This print showcases the artist's concept of Gliese 229 b, a mesmerizing brown dwarf located approximately 19 light years away from Earth. From a distance of about half a million miles, this celestial body appears like a glowing charcoal ember suspended in space. The discovery of Gliese 229 b dates back to 1995 and it orbits the red dwarf Gliese 229A in the constellation Lepus. If you look closely, you can spot Gliese 229A shining dimly on the upper left side of the image. With an estimated mass that is 30 to 40 times greater than Jupiter, Gliese 229 b possesses enough mass for deuterium fusion but falls short of initiating hydrogen fusion like our Sun. Consequently, it radiates at a temperature of only around 1,300 degrees Fahrenheit. Scientists believe that this remarkable celestial object is between two to four billion years old. Despite its immense mass compared to Jupiter, Gliese 229 b surprisingly has a slightly smaller diameter than its planetary counterpart. This anomaly arises from the fact that Gliese's greater mass allows it to overcome internal pressures and maintain its volume despite being more compact than Jupiter. In this awe-inspiring photograph captured by Walter Myers from Stocktrek Images, we are reminded once again of the vastness and diversity present within our universe.
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