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astrophysics, cosmology, the universe...

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Asteroid deflection

Potential asteroid impact on Earth can have disastrous consequences. In order to prevent such collisions, earthbound space objects must be deflected. This can be accomplished using a space probe to impact the asteroid.

Posted: Sep 2nd, 2013

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Researchers a step closer to finding cosmic ray origins

The origin of cosmic rays in the universe has confounded scientists for decades. But a study by researchers using data from the IceCube Neutrino Observatory at the South Pole reveals new information that may help unravel the longstanding mystery of exactly how and where they are produced.

Posted: Aug 30th, 2013

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Chandra catches our galaxy's giant black hole rejecting food

Astronomers using NASA's Chandra X-ray Observatory have taken a major step in explaining why material around the giant black hole at the center of the Milky Way Galaxy is extraordinarily faint in X-rays. This discovery holds important implications for understanding black holes.

Posted: Aug 29th, 2013

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Hubble sees a cosmic caterpillar

The light-year-long knot of interstellar gas and dust, seen in this Hubble photo, resembles a caterpillar on its way to a feast. Harsh winds from extremely bright stars are blasting ultraviolet radiation at this 'wanna-be' star and sculpting the gas and dust into its long shape.

Posted: Aug 29th, 2013

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China to launch Lunar probe for landing mission

China's Chang'e-3 lunar probe is scheduled to be launched at the end of this year for a moon landing mission, the State Administration of Science, Technology and Industry for National Defence announced on Wednesday.

Posted: Aug 29th, 2013

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Neutron stars in the computer cloud

The combined computing power of 200,000 private PCs helps astronomers take an inventory of the Milky Way. The Einstein@Home project connects home and office PCs of volunteers from around the world to a global supercomputer. Using this computer cloud, an international team analysed archival data from the CSIRO Parkes radio telescope in Australia. Using new search methods, the global computer network discovered 24 pulsars.

Posted: Aug 29th, 2013

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Solar Dynamics Observatory mission untangles motion inside the sun

Using an instrument on NASA's Solar Dynamics Observatory, called the Helioseismic and Magnetic Imager, or HMI, scientists have overturned previous notions of how the sun's writhing insides move from equator to pole and back again, a key part of understanding how the dynamo works. Modeling this system also lies at the heart of improving predictions of the intensity of the next solar cycle.

Posted: Aug 29th, 2013

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MOND predicts dwarf galaxy feature prior to observations

MOND, a modified law of gravity, correctly predicted in advance of observations the velocity dispersion - the average speed of stars within a galaxy relative to each other - in 10 dwarf satellite galaxies of the Milky Way's giant neighbor Andromeda. MOND also detected subtle differences in gravity fields that dark matter theory says should be uniform.

Posted: Aug 28th, 2013

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Oldest Solar Twin Identified - ESO's VLT provides new clues to help solve lithium mystery

A team led by astronomers in Brazil has used ESO's Very Large Telescope to study the oldest solar twin known to date. Located 250 light-years away, the star HIP 102152 is more like the Sun than any other solar twin - except that it is nearly four billion years older. This older twin may be host to rocky planets and gives us an unprecedented chance to see how the Sun will look when it ages.

Posted: Aug 28th, 2013

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Scientists detect magmatic water on Moon's surface

Scientists have detected magmatic water - water that originates from deep within the Moon's interior - on the surface of the Moon. These findings represent the first such remote detection of this type of lunar water, and were arrived at using data from NASA's Moon Mineralogy Mapper (M3).

Posted: Aug 27th, 2013

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Spitzer telescope celebrates 10 years in space

Ten years after a Delta II rocket launched NASA's Spitzer Space Telescope, lighting up the night sky over Cape Canaveral, Fla., the fourth of the agency's four Great Observatories continues to illuminate the dark side of the cosmos with its infrared eyes.

Posted: Aug 23rd, 2013

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