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Iron rain fell on early Earth, new Z machine data supports

An artist’s concept shows a celestial body about the size of our moon slamming at great speed into a body the size of Mercury. NASA/JPL-Caltech Instead of core formation occurring by iron sinking down to the growing Earth’s core in large blobs, that iron was vaporized, spread out in a plume over the surface of …

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14” TELESCOPE DONATED TO LOCAL ASTRONOMY CENTRE

The HAC Committee members are(back from left): Peter Harvey, Derek Duckitt, Jenny Moris, Johan Retief, Lynette Geldenhuys and Fanie Lombard. Front: Pierre de Villiers (chairperson) and Deon Krige. Absent: Laura Norris. photo: jan-hendrik coetzer By Jan-Hendrik Coetzer Photo : jan-hendrik coetzer 2014-11-28 Prof Patrick Woudt, incoming head of the University of Cape Town’s(UCT) Department of …

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Rosetta Update: The Scent of a Comet

An artist’s portrayal of the moment when Rosetta’s Philae lander touches down on Comet 67P/Churyumov-Gerasimenko. ESA / ATG medialab – Days from now, the Philae lander will drop onto Comet 67P/Churyumov-Gerasimenko. In the meantime, the “mother ship” Rosetta is watching the icy nucleus — and smelling the mix of gases escaping from it. In less …

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Hubble Shows Farthest Lensing Galaxy Yields Clues to Early Universe

Astronomers using NASA’s Hubble Space Telescope have unexpectedly discovered the most distant galaxy that acts as a cosmic magnifying glass. Seen here as it looked 9.6 billion years ago, this monster elliptical galaxy breaks the previous record-holder by 200 million years. These “lensing” galaxies are so massive that their gravity bends, magnifies, and distorts light …

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New mass map of a distant galaxy cluster is the most precise yet

Created using observations from Hubble’s Frontier Fields observing program, the map shows the amount and distribution of mass within MCS J0416.1–2403. By Hubble ESA, Garching, Germany | Published: Thursday, July 24, 2014 Astronomers using the NASA/ESA Hubble Space Telescope have mapped the mass within a galaxy cluster more precisely than ever before. Created using observations …

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