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Pluto's atmosphere
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Title: On the possible noble gas deficiency of Pluto's atmosphere Authors: Olivier Mousis, Jonathan I. Lunine, Kathleen E. Mandt, Eric Schindhelm, Harold A. Weaver, S. Alan Stern, J. Hunter Waite, Randy Gladstone, Audrey Moudens We use a statistical-thermodynamic model to investigate the for...
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Pluto Nomenclature
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Title: Proposed Nomenclature for Surface Features on Pluto and Its Satellites and Names for Newly Discovered Satellites Author: Eric E. Mamajek, Valerie A. Rapson, David A. Cameron, Manuel Olmedo, Shane Fogerty, Eric Franklin, Erini Lambrides, Imran Hasan, Richard E. Sarkis, Stephen Thorndi...
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Charon
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Anniversary of Jim Christy's discovery of Pluto's Moon Charon in 1978.
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Pluto geology
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Pluto: What have we learned so far? For 60 years scientists have known that there was a bright mass on Pluto, but it was only through the increased resolution provided by the cameras on board New Horizons that detailed its distinctive heart shape. The shape, instantly beloved on social media, is beli...
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Sputnik Planum
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Title: The surface age of Sputnik Planum, Pluto, must be less than 10 million years Author: David E. Trilling Data from the New Horizons mission to Pluto show no craters on Sputnik Planum down to the detection limit (2 km for low resolution data, 625 m for high resolution data). The number of small Kuip...
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Plutonian moons
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The Plutonian moons Nix and Hydra were found by the Hubble Space Telescope Pluto Companion Search Team, composed of Hal A. Weaver, S. Alan Stern, Max J. Mutchler, Andrew J. Steffl, Marc W. Buie, William J. Merline, John R. Spencer, Eliot F. Young, and Leslie A. Young. The discovery images were t...
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Nix
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Nix is a natural satellite of Pluto. It was discovered along with Hydra in June 2005, and is to be visited along with Pluto by the New Horizons mission in July 2015. The formal name of Pluto's moon "Nix", from the Greek goddess of darkness and night, and mother of Charon, was announced on June...
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Tombaugh Regio
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Tombaugh Regio is a prominent surface feature of the dwarf planet Pluto. It is a large, light-coloured region about 1,590 km across. NASA initially referred to it as a "heart" in reference to its overall shape. The name Tombaugh Regio is currently unofficial. Read more
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Hydra
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Hydra is the second outermost known natural satellite of Pluto. It was discovered along with Nix in June 2005, and is to be visited along with Pluto by the New Horizons mission in July 2015. The name Hydra was announced on June 21, 2006, in IAU Circular 8723, along with the formal designation Pluto III....
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Pluto-Charon ring
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Title: Evolution of a ring around the Pluto-Charon binary Author: B. C. Bromley, S. J. Kenyon We consider the formation of satellites around the Pluto-Charon binary. An early collision between the two partners likely produced the binary and a narrow ring of debris, out of which arose the moons -- St...
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Styx
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The International Astronomical Union has approved the name Kerberos for the Plutonian moon formerly known as P4, and Styx for P5. Vulcan, a popular favorite, was passed up in part because the name has already been used in astronomy, to refer to a hypothetical planet inside Mercury's orbit. [url=ht...
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Pluto P4
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NASA's Hubble Discovers Another Moon Around Pluto These two images, taken about a week apart by NASA's Hubble Space Telescope, show four moons orbiting the distant, icy dwarf planet Pluto. The green circle in both snapshots marks the newly discovered moon, temporarily dubbed P4, found by Hubble i...
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Pluto's Seasons
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Title: Pluto's Seasons: New Predictions for New Horizons Authors: Leslie A. Young Since the last Pluto volatile transport models were published (Hansen and Paige 1996), we have (i) new stellar occultation data from 2002 and 2006-2012 that have roughly twice the pressure as the discovery occulta...
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S/2012 (134340) 1
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Just announced: Pluto has come company-- We've discovered a 5th moon using the Hubble Space Telescope Source
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Ice Mineralogy
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Title: Ice Mineralogy Across and Into the Surfaces of Pluto, Triton, and Eris Authors: S.C. Tegler, W.M. Grundy, C.B Olkin, L.A. Young, W. Romanishin, D.M. Cornelison, R. Khodadadkouchaki We present three near-infrared spectra of Pluto taken with the IRTF and SpeX, an optical spectrum of Triton...
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