Astronomers solve 16-year old mystery of ultraviolet ring in space

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Data from the GALEX spacecraft suggest that planets around cool dwarf stars may be subjected to intense flares.

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The galaxyUGC 1382 has been revealed to be far larger and stranger than previously thought.Astronomers relied on a combination of ground-based and space telescopes to uncover the true nature of this "Frankenstein galaxy."

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Entangled by gravity and destined to merge, two candidate black holes in a distant galaxy appear to be locked in an intricate dance. Researchers using data from NASA's Galaxy Evolution Explorer (GALEX) and NASA's Hubble Space Telescope have come up with the most compelling confirmation yet for the existence of these merging black holes and have found new details about their odd, cyclical light signal.

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A new report identifies top-of-the-line tools for studying the fabric of space.

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What makes one rose bush blossom with flowers, while another remains barren? Astronomers ask a similar question of galaxies.

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NASA has turned off its Galaxy Evolution Explorer after a decade of operations in which the venerable space telescope used its ultraviolet vision to study hundreds of millions of galaxies across 10 billion years of cosmic time.

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A duo of astronomers, Dr. Youichi Ohyama (Institute of Astronomy and Astrophysics, Academia Sinica or ASIAA, Taiwan) and Dr. Ananda Hota (UM-DAE Centre for Excellence in the Basic Sciences or CBS, India), has discovered a Blue Supergiant star located far beyond our Milky Way Galaxy in the constellation Virgo.

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The light of a red star is warped and magnified by its dead-star companion, as detected by NASA's Kepler space telescope.

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The spectacular barred spiral galaxy NGC 6872 has ranked among the biggest stellar systems for decades. Now a team of astronomers from the United States, Chile and Brazil have crowned it the largest-known spiral based on archival data from NASA's Galaxy Evolution Explorer mission.

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What was once a fairly average star, not much different than our sun, can be seen unraveling at the seams in this new image from the Spitzer and GALEX space telescopes.

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NASA is lending the Galaxy Evolution Explorer (GALEX) to the California Institute of Technology (Caltech) in Pasadena, where the spacecraft will continue its exploration of the cosmos.

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Explorers are among the lowest-cost missions flown by NASA, but they can pack a big scientific punch. Such is the case with the Galaxy Evolution Explorer, or GALEX, a mission designed to map the history of star formation over 80 percent of the age of the universe.

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GALEX - Galaxy Evolution Explorer