Tagged * EarthSky™

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Shrinking of Antarctic ice shelves is accelerating

By Eleanor Imster Antarctica’s Brunt Ice Shelf photographed in October 2011 from NASA’s DC-8 research aircraft during an Operation IceBridge flight. Michael Studinger/NASA By Laurence Padman, Earth and Space Research; Fernando Paolo, University of California, San Diego, and Helen Amanda Fricker, University of California, San Diego Ask people what Read Full Article Here For more…

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How to watch a total eclipse of the moon

By Deborah Byrd A total lunar eclipse is one of the most dramatic and beautiful – and easiest-to-view – of all astronomical events. During a total lunar eclipse, the sun, Earth and moon form a line in space. Earth’s shadow falls on the face of the moon. An entire hemisphere of Read Full Article Here…

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Striped sunrises and the shadows they cast

By Deborah Byrd View larger. | Striped sunrise by Peter Lowenstein. Peter Lowenstein of Mutare, Zimbabwe – who recently contributed an interesting photo of straight lightning to these pages – has submitted another set of unusual photos for us. One is above, and the other is at the bottom Read Full Article Here For more…

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Moon close to Regulus on March 31

By Bruce McClure Tonight – March 31, 2015 – can you find the star that’s shining close to the big and bright waxing gibbous moon? That’s Regulus, the brightest star in the constellation Leo the Lion. In sky lore, Regulus is considered to be the Lion’s Heart. Regulus is Read Full Article Here For more…

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Before and after cyclone Pam

By Eleanor Imster Photo credit: William Dyer Cyclone Pam was a Category 5 storm when it struck the island nation of Vanuatu in the South Pacific on March 13 and 14, 2015. Pam tore down miles of dense foliage, stripped vegetation, and coated leaves in damaging salt spray, turning lush green landscapes brown. Read Full…

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Passing comets painted Mercury black

By Deborah Byrd A limb mosaic of the planet Mercury as seen from the MESSENGER spacecraft’s Wide Angle Camera & Dual Imaging System. Image via NASA/Johns Hopkins University/Applied Physics Laboratory/Carnegie Institution of Washington. Scientists announced this morning (March 30, 2015) that Mercury’s dark, barely reflective surface may be the result of a steady Read Full…

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Greenland glacier melt increases mercury discharge

By EarthSky Voices Zackenberg Research Station. Photo credit: Aarhus University, Department of Bioscience This article is republished with permission from GlacierHub. This post was written by Yunziyi Lang. Mercury contamination has long been a threat to animal carnivores and human residents in the Arctic. Mercury exports from river basins Read Full Article Here For more…

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See it! This weekend’s moon and Jupiter

By Deborah Byrd Colin Chatfield in Saskatoon, SK, Canada caught the moon and Jupiter on the morning of March 29 (above truck, on left). On the right is a greenish glow … an aurora! Linda Carlson in Oviedo, Florida caught the bright twosome Sunday night, March 29. Moon and Jupiter as seen Read Full Article…

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Moon between Jupiter and Regulus on March 30

By Bruce McClure Tonight – March 30, 2015 – the waxing gibbous moon and planet Jupiter pop out first thing at nightfall, as they have these past several nights. But tonight’s moon – always moving eastward in front of the constellations of the Zodiac – is not as close to Jupiter Read Full Article Here…

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Public invited to NASA flying saucer broadcast

By Deborah Byrd Artist’s concept of test vehicle for NASA’s Low-Density Supersonic Decelerator (LDSD), designed to test landing technologies for future Mars missions. Image via NASA/JPL-Caltech. In June 2015, NASA’s Low-Density Supersonic Decelerator (LDSD) project will fly its rocket-powered, saucer-shaped test vehicle into near-space from the Navy’s Pacific Missile Range Facility on Kauai, Hawaii. Read…

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