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Best evidence yet for coronal heating theory detected by NASA sounding rocket

Scientists have recently gathered some of the strongest evidence to date to explain what makes the sun's outer atmosphere so much hotter than its surface. The new observations of the small-scale extremely hot temperatures are consistent with only one current theory: something called nanoflares - a constant peppering of impulsive bursts of heating, none of which can be individually detected - provide the mysterious extra heat.

Aug 1st, 2014

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Asteroid attacks significantly altered ancient Earth

New research shows that more than four billion years ago, the surface of Earth was heavily reprocessed as a result of giant asteroid impacts. A new model based on existing lunar and terrestrial data sheds light on the role asteroid bombardments played in the geological evolution of the uppermost layers of the Hadean Earth.

Jul 31st, 2014

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Last mission for the ATV European space freighter

So far, four European space freighters have carried supplies to the International Space Station (ISS). At 01:47 CEST on 30 July 2014, Georges Lemaitre - the fifth and last European Space Agency (ESA) Automated Transfer Vehicle (ATV) - lifted off from the spaceport at Kourou in French Guiana.

Jul 30th, 2014

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Less to the Milky Way than previously thought

The Milky Way is less massive than astronomers previously thought, according to new research. For the first time, scientists have been able to precisely measure the mass of the galaxy that contains our Solar system.

Jul 30th, 2014

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Mysterious molecules in space

A group of scientists has offered a tantalizing new possibility: these mysterious molecules may be silicon-capped hydrocarbons like SiC3H, SiC4H and SiC5H, and they present data and theoretical arguments to back that hypothesis.

Jul 29th, 2014

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Glow in space is evidence of a hot bubble in our galaxy

A recent study shows that the emission is dominated by the local hot bubble of gas - 1 million degrees - with, at most, 40 percent of emission originating within the solar system. The findings should put to rest the disagreement about the origin of the X-ray emission and confirm the existence of the local hot bubble.

Jul 28th, 2014

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

Astronomers using the Hubble Space Telescope have mapped the mass within a galaxy cluster more precisely than ever before. Created using observations from Hubble's Frontier Fields observing programme, the map shows the amount and distribution of mass within MCS J0416.1-2403, a massive galaxy cluster found to be 160 trillion times the mass of the Sun.

Jul 24th, 2014

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