The Mystery Of Pluto’s X-Ray Glow

If you’ve been to a dentist, you’re probably familiar with X-rays. Like the colors purple and red, X-rays are a “color” of light but one invisible to the human eye. If there were X-ray-sensing life forms, who knows what hue they’d see, but it would have a color. Even though X-rays are invisible, they have many…
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Ice Goes Into Hiding On Ceres / Dawn, Pluto Probe Update

We know there’s ice inside Ceres, but it may be chillin’ on the surface, too. Scientists with NASA’s Dawn mission have identified permanently shadowed craters on the dwarf planet that have likely been cold enough to trap water ice for a billion years. “The conditions on Ceres are right for accumulating deposits of water ice,” said…
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Take A Trip Down The Strip — Best Closeups Of Pluto Yet

A new, detailed mosaic slice of Pluto, which I’ve chopped into seven pieces, each representing a sample of a different terrain, was released by NASA on May 27. It includes all of the highest-resolution images taken by NASA’s New Horizons probe as it flew past Pluto on July 14 last year. It extends across the hemisphere that faced the…
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Pluto Churns Like A Lava Lamp

A recently released high-resolution swath of Pluto taken by NASA’s New Horizons spacecraft shows all kinds of wonderful things in Sputnik Planum, the informal name given to the icy plains dominating the left side of Pluto’s big “heart”. The strip reveals features less than half a city block in size Sputnik Planum is at a lower elevation…
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Put A Little Pluto In Your Heart This Christmas

Thanks NASA for the extra helping of figgy pudding this Christmas. The agency recently released the latest color closeups taken by the New Horizons mission during the spacecraft’s closest approach to the dwarf planet last July 14th. With resolutions of about 250-280 feet (77-85 meters) per pixel, we can see features smaller than half a city block on Pluto’s surface. The…
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