Pluto-like planet has no global atmosphere, study says

11/26/2012 | National Geographic News

An international group of astronomers collected evidence through the three most powerful telescopes of the European Southern Observatory in Chile showing that Makemake, a distant dwarf planet around two-thirds Pluto's size, has no global atmosphere. Researchers noticed that light from a background star went off abruptly as the dwarf planet passed in front of it, indicating that Makemake does not have a substantial atmosphere like Pluto's.

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