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Getting Rid of Bad Vibrations: UGA Engineers Help NASA Fine-Tune New Space Launch System

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Researchers at the University of Georgia College of Engineering are helping NASA determine if a key rocket component can withstand the rigors of the next generation of space flight. The parts in question—bellows expansion joints—serve several functions in rocket propulsion system.

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UV Observation Provides Rare Insight into Supernova

A team of Weizmann Institute and Caltech scientists recently had the rare opportunity to observe a supernova in progress by using the Swift Telescope’s UV, gaining unprecedented insight into why stars that go supernova explode in the first place. This is particularly crucial when it comes to 1a supernovae, used to measure distance in the universe.

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#UCRiverside Astronomer Mario De Leo Winkler Available to Talk About Asteroids and Asteroid Day

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Sandia’s Z Machine Helps Solve Saturn’s 2-Billion-Year Age Problem

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Experiments at the Z machine at Sandia National Laboratories has provided data may help explain why Saturn is two billion years younger than Jupiter on some computer simulations, supporting a prediction first made in 1935.

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What the Discovery of New Dwarf Galaxies Means for the Hunt for Dark Matter

Three astrophysicists discuss how the discovery of new dwarf galaxies orbiting the Milky Way can help in solving the riddles of dark matter particles as well as the rise of structure in the cosmos.

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Red Dwarf Burns Off Planet’s Hydrogen Giving It Massive Comet-Like Tail

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A giant cloud escaping from a warm, Neptune-mass exoplanet is reported in this week’s Nature. Depicted in an image by Mark Garlick and issued by the University of Warwick, it has been suggested that low-mass exoplanets orbiting close to their parent stars could have had some fraction of their atmospheres ‘burnt off’ by extreme irradiation from the star, but confident measures of such losses have been lacking until now.

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Astronomers Discovered an Immense Cloud of Hydrogen Escaping From an Exoplanet the Size of Neptune

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This phenomenon generates like a tail or a head of hair giving it the appearance of a giant comet. Already observed in some very large and very hot exoplanets, this phenomenon is viewed for the first time with such a magnitude. The cloud might explain the formation of some hot and rocky super-Earths. It would also be an indicator for detecting extrasolar oceans. Finally, it would be used to envisage the future of our atmosphere. These results are published in the latest edition of the journal Nature.

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Hubble Sees a ‘Behemoth’ Bleeding Atmosphere Around a Warm Neptune-Sized Exoplanet

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Astronomers using NASA's Hubble Space Telescope have discovered an immense cloud of hydrogen dispersing from a warm, Neptune-sized planet orbiting a nearby star. The enormous comet-like tail of the planet is about 50 times the size of the parent star. The findings will be published in the June 25 issue of the journal Nature.

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Neutron Star’s Echoes Give Astronomers a New Measuring Stick

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In late 2013, when the neutron star at the heart of one of our galaxy’s oddest supernovae gave off a massive burst of X-rays, the resulting echoes — created when the X-rays bounced off clouds of dust in interstellar space — yielded a surprising new measuring stick for astronomers.

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Diabetes Research, Meatless Monday, Weight-Loss Surgery, and "Smart" Traffic Lights - Top Stories from 23 June 2015

Other topics include: breast cancer, blood thinners and surgery, cognitive impairment, and new ultra-dark galaxies discovered.