James Webb finds a brown dwarf.
James Webb finds a brown dwarf.
Souce
For the first time in history, a team of astronomers has discovered methane emissions coming from a distant brown dwarf, as is known, although methane gas can be generated from non-biological processes when it is found in abundance there is the possibility that it is a biosignature, an indication of biological activity.
In a new article published in the magazine nature they explain how they observed several brown dwarfs before realizing that W1935 stood out from the others, methane gas is expected in giant planets and brown dwarfs but generally we see them absorbing light not shining, explained the lead author of the new paper in a press release, in addition They also made a surprising discovery in computer simulations that showed that the brown dwarf probably has a temperature inversion, this means that the warmer atmosphere at higher altitudes and colder near the ground, This normally occurs on planets that orbit close to their stars, but in this case the dwarf is isolated.
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