Using the NASA/ESA/CSA James Webb Space Telescope, astronomers have found evidence for gaseous methane on the distant dwarf planet Makemake. Reported in a paper in the Astrophysical Journal Letters, this discovery challenges the traditional view of Makemake as a quiescent, frozen body and makes it only the second trans-Neptunian object, after Pluto, where the presence of gas has been confirmed.
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