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astrophysics, cosmology, the universe...

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Telling time on Saturn

A University of Iowa undergraduate student has discovered that a process occurring in Saturn's magnetosphere is linked to the planet's seasons and changes with them, a finding that helps clarify the length of a Saturn day and could alter our understanding of the Earth's magnetosphere.

Posted: May 3rd, 2013

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Studying meteorites may reveal Mars' secrets of life

In an effort to determine if conditions were ever right on Mars to sustain life, a team of scientists, including a Michigan State University professor, has examined a meteorite that formed on the red planet more than a billion years ago.

Posted: May 2nd, 2013

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An anarchic region of star formation

The Danish 1.54-meter telescope located at ESO's La Silla Observatory in Chile has captured a striking image of NGC 6559, an object that showcases the anarchy that reigns when stars form inside an interstellar cloud.

Posted: May 2nd, 2013

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The day NASA's Fermi dodged a 1.5-ton bullet (w/ video)

While Fermi is in fine shape today, continuing its mission to map the highest-energy light in the universe, the story of how it sidestepped a potential disaster offers a glimpse at an underappreciated aspect of managing a space mission: orbital traffic control.

Posted: May 1st, 2013

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Colossal hot cloud envelopes colliding galaxies

Scientists have used Chandra to make a detailed study of an enormous cloud of hot gas enveloping two large, colliding galaxies. This unusually large reservoir of gas contains as much mass as 10 billion Suns, spans about 300,000 light years, and radiates at a temperature of more than 7 million degrees.

Posted: Apr 30th, 2013

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Saturn's youthful appearance explained

As planets age they become darker and cooler. Saturn however is much brighter than expected for a planet of its age - a question that has puzzled scientists since the late 1960s. New research has revealed how Saturn keeps itself looking young and hot.

Posted: Apr 30th, 2013

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VLA gives deep, detailed image of distant universe

Staring at a small patch of sky for more than 50 hours with the ultra-sensitive Karl G. Jansky Very Large Array (VLA), astronomers have for the first time identified discrete sources that account for nearly all the radio waves coming from distant galaxies.

Posted: Apr 30th, 2013

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Twinkle, twinkle little star! New app measures sky brightness

Researchers from the German 'Loss of the Night' project have developed an app for Android smart phones, which counts the number of visible stars in the sky. The data from the app will be used by scientists to understand light pollution on a world wide scale.

Posted: Apr 29th, 2013

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