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Astronomy news

Pinwheel Galaxy's 'No Organics' Zone

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A new paper appearing July 20 in the Astrophysical Journal explains why this outer ring stands out. According to the authors, the red color highlights a zone where organic molecules called polycyclic aromatic hydrocarbons, which are present throughout most of the galaxy, suddenly disappear.
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Widespread, Hardworking Water on Ancient Mars

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Tags: mars water mro
Astronomy news // 15 July, 2008 03:27:00
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Papers by Brown University scientists show that water on ancient Mars was pervasive and was working hard, changing the minerals below ground and on the surface.

A New Way to Weigh Giant Black Holes

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Astronomy news // 15 July, 2008 05:05:00
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How do you weigh the biggest black holes in the universe? One answer now comes from a completely new and independent technique that astronomers have developed using data from NASA's Chandra X-ray Observatory.

A Telescope Made of Moondust

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Tags: telescope moon moondust
Astronomy news // 13 July, 2008 09:59:00
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That's the dream of Peter C. Chen, astrophysicist at NASA Goddard Space Flight Center. And he wants to build it using lunar dust—because that might just be the most economical approach.

Rare 'Star-Making Machine' Found in Distant Universe

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Astronomy news // 13 July, 2008 01:27:00
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Astronomers have uncovered an extreme stellar machine - a galaxy in the very remote universe pumping out stars at a surprising rate of up to 4,000 per year. In comparison, our own Milky Way galaxy turns out an average of just 10 stars per year.

High Energy and Far Vision

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Astronomy news // 09 July, 2008 01:30:00
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With a 17-m diameter mirror the MAGIC telescope is the largest stand-alone gamma-ray telescope. MAGIC has discovered the most distant very-high energy gamma-ray emission.

Einstein's Theory Passes Strict, New Test

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Astronomy news // 06 July, 2008 02:50:00
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Taking advantage of a unique cosmic configuration, astronomers have measured an effect predicted by Albert Einstein's theory of General Relativity in the extremely strong gravity of a pair of superdense neutron stars. Essentially, the famed physicist's 93-year-old theory passed yet another test.

Planets Align for the 4th of July

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Tags: astronomy saturn mars moon fireworks
Astronomy news // 30 June, 2008 01:50:00
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News Flash: On 4th of July weekend, NASA forecasts lights in the sky.

Solar system's biggest impact scar discovered

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Astronomy news // 25 June, 2008 02:00:00
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MIT scientists solve riddle of Mars' two-faced nature

Phoenix finds ice?

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Tags: mars nasa phoenix ice
Astronomy news // 19 June, 2008 12:59:00
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Dice-size crumbs of bright material have vanished from inside a trench where they were photographed by NASA's Phoenix Mars Lander four days ago, convincing scientists that the material was frozen water that vaporized after digging exposed it.

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