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Space Exploration News

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astrophysics, cosmology, the universe...

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A map of Rosetta's comet

The surface of comet 67P/Churyumov-Gerasimenko can be divided into several morphologically different regions.

Posted: Sep 10th, 2014

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Scientists take key step toward solving a major astrophysical mystery

Magnetic reconnection can trigger geomagnetic storms that disrupt cell phone service, damage satellites and black out power grids. But how reconnection, in which the magnetic field lines in plasma snap apart and violently reconnect, transforms magnetic energy into explosive particle energy remains a major unsolved problem in plasma astrophysics.

Posted: Sep 10th, 2014

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First evidence for water ice clouds found outside solar system

A team of scientists has discovered the first evidence of water ice clouds on an object outside of our own Solar System. Water ice clouds exist on our own gas giant planets - Jupiter, Saturn, Uranus, and Neptune - but have not been seen outside of the planets orbiting our Sun until now.

Posted: Sep 9th, 2014

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Cosmologists probe beyond the Big Bang

A long tradition of cosmology research has given birth to a vigorous effort by a new generation of cosmologists to understand the Cosmic Microwave Background (CMB), the thermal radiation left over from the Big Bang.

Posted: Sep 4th, 2014

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Researchers discover new clues to determining the solar cycle

Approximately every 11 years, the sun undergoes a complete personality change from quiet and calm to violently active. The height of the sun's activity, known as solar maximum, is a time of numerous sunspots, punctuated with profound eruptions that send radiation and solar particles out into the far reaches of space.

Posted: Sep 4th, 2014

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Cosmic forecast: Dark clouds will give way to sunshine

Lupus 4, a spider-shaped blob of gas and dust, blots out background stars like a dark cloud on a moonless night in this intriguing new image. Although gloomy for now, dense pockets of material within clouds such as Lupus 4 are where new stars form and where they will later burst into radiant life.

Posted: Sep 3rd, 2014

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Observing the onset of a magnetic substorm

Magnetic substorms, the disruptions in geomagnetic activity that cause brightening of aurora, may sometimes be driven by a different process than generally thought, a new study shows.

Posted: Sep 2nd, 2014

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