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astrophysics, cosmology, the universe...

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Hubble reveals the Ring Nebula's true shape

The Ring Nebula's distinctive shape makes it a popular illustration for astronomy books. But new observations by NASA's Hubble Space Telescope of the glowing gas shroud around an old, dying, sun-like star reveal a new twist.

Posted: May 23rd, 2013

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A hidden population of exotic neutron stars

Magnetars - the dense remains of dead stars that erupt sporadically with bursts of high-energy radiation - are some of the most extreme objects known in the Universe. A major campaign using NASA's Chandra X-ray Observatory and several other satellites shows magnetars may be more diverse and common - than previously thought.

Posted: May 23rd, 2013

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Rare merger reveals secrets of galaxy evolution

A rare encounter between two gas-rich galaxies spotted by ESA's Herschel space observatory indicates a solution to an outstanding problem: how did massive, passive galaxies form in the early Universe?

Posted: May 22nd, 2013

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NASA builds unusual testbed for analyzing X-ray navigation technologies

Pulsars have a number of unusual qualities. Like zombies, they shine even though they're technically dead, and they rotate rapidly, emitting powerful and regular beams of radiation that are seen as flashes of light, blinking on and off at intervals from seconds to milliseconds. A NASA team has built a first-of-a-kind testbed that simulates these distinctive pulsations.

Posted: May 21st, 2013

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Earth watcher Proba-V opens its eyes

Earth watcher Proba-V is in good health following its launch last week. The Vegetation imager has been switched on and the first image has been captured over western France.

Posted: May 18th, 2013

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2nd Luxembourg Workshop on Satellite Communication

The University of Luxembourg in collaboration with the Max Planck Institute Luxembourg for International, European and Regulatory Procedural Law and the SES Chair in Satellite Communication and Media Law present the 2nd Luxembourg Workshop on Satellite Communication entitled Satellite Communication and Dispute Resolution.

Posted: May 17th, 2013

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