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Space Exploration News

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astrophysics, cosmology, the universe...

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Starbirth surprisingly energetic: ALMA observations give new insights into protostars

While observing a newborn star, astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) telescope discovered twin jets of matter blasting out into space at record-breaking speed. These surprisingly forceful molecular 'winds' could help refine our understanding of how stars impact their cloudy nurseries and shape their emerging stellar systems.

Posted: Aug 20th, 2013

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Pulsars make a GPS for the cosmos

CSIRO scientists have written software that could guide spacecraft to Alpha Centauri, show that the planet Nibiru doesn't exist... and prove that the Earth goes around the Sun.

Posted: Aug 15th, 2013

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Spaceflight alters bacterial social networks

In two NASA-funded studies biofilms grown aboard the International Space Station bound space shuttle were compared with those grown on the ground. The study results show for the first time that spaceflight changes the behavior of bacterial communities.

Posted: Aug 15th, 2013

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Cosmic turbulences result in star and black hole formation

Just how stars and black holes in the Universe are able to form from rotating matter is one of the big questions of astrophysics. Now, a new publication by HZDR physicists in Physical Review Letters shows how magnetic fields can also cause turbulences within "dead zones," thus making an important contribution to our current understanding of just how compact objects form in the cosmos.

Posted: Aug 15th, 2013

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Dwarf galaxy caught ramming into a large spiral

Observations with NASA's Chandra X-ray Observatory have revealed a massive cloud of multimillion-degree gas in a galaxy about 60 million light years from Earth. The hot gas cloud is likely caused by a collision between a dwarf galaxy and a much larger galaxy called NGC 1232.

Posted: Aug 14th, 2013

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Cosmology in the lab using laser-cooled ions

Scientists used laser-cooled ions in so-called 'ion Coulomb crystals'. They were able to show for the first time how symmetry breaking can be generated in a controlled manner and how the occurrence of defects can then be observed.

Posted: Aug 12th, 2013

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Perseid meteors to light up summer skies

The evening of 12 August and morning of 13 August see the annual maximum of the Perseids meteor shower. This year prospects for watching this natural firework display are particularly good.

Posted: Aug 9th, 2013

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Hubble finds source of Magellanic stream

Astronomers using NASA's Hubble Space Telescope have solved a 40-year mystery on the origin of the Magellanic Stream, a long ribbon of gas stretching nearly halfway around our Milky Way galaxy.

Posted: Aug 8th, 2013

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Quasar observed in 6 separate light reflections

Quasars are active black holes -- primarily from the early universe. Using a special method where you observe light that has been bent by gravity on its way through the universe, a group of physics students from the Niels Bohr Institute have observed a quasar whose light has been deflected and reflected in six separate images. This is the first time a quasar has been observed with so many light reflections.

Posted: Aug 7th, 2013

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