Tuesday 9 February 2016

That Wasn’t a Meteorite That Killed a Man in India, NASA Says

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A “land-based” explosion was the likely cause, not an object from space, which would have been a first of sorts in recorded history.










via New York Times

Twisted X-rays unravel the complexity of helical structures

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Since the discovery of the diffraction of X-rays by crystals just over 100 years ago, X-ray diffraction as a method of structure determination has dominated structural research in materials science and biology. However, many of the most important materials whose structures remain unknown do not readily crystallize as three-dimensional periodic structures.
via Science Daily

Scientists discover hidden galaxies behind the Milky Way

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Hundreds of hidden nearby galaxies have been studied for the first time, shedding light on a mysterious gravitational anomaly dubbed the Great Attractor. Despite being just 250 million light years from Earth, the new galaxies had been hidden from view until now by our own galaxy, the Milky Way. Using CSIRO's Parkes radio telescope equipped with an innovative receiver, an international team of scientists were able to see through the Milky Way, into a previously unexplored region of space.
via Science Daily
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Has the magic gone from Calcium-52?

The Rise and Fall of Supernova 2015F

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