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Pluto Snow Forecast Poses Atmospheric Conundrum


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Pluto atmosphere

The New Horizons craft photographed Plutos atmosphere, backlit by the Sun, as the probe sailed away from the dwarf planet in mid-July.

Credit: NASA/JHUAPL/SwRI

NASA's New Horizons spacecraft solved many mysteries about Pluto when it flew past the dwarf planet in July. But as mission controllers prepare to steer the probe to its next rendezvous, planetary scientists are working to understand a puzzling result: an atmospheric pressure at Pluto's surface that is much lower than indicated by measurements obtained from Earth.

From Nature
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