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Space Exploration News

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astrophysics, cosmology, the universe...

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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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First hundred thousand years of our Universe

A new analysis of cosmic microwave background radiation data by researchers with the Lawrence Berkeley National Laboratory has taken the furthest look back through time yet - 100 years to 300,000 years after the Big Bang - and provided tantalizing new hints of clues as to what might have happened.

Posted: Aug 7th, 2013

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The odd couple - two very different gas clouds in the galaxy next door

ESO's Very Large Telescope has captured an intriguing star-forming region in the Large Magellanic Cloud - one of the Milky Way's satellite galaxies. This sharp image reveals two distinctive glowing clouds of gas: Red-hued NGC 2014, and its blue neighbour NGC 2020. While they are very different, they were both sculpted by powerful stellar winds from extremely hot newborn stars that also radiate into the gas, causing it to glow brightly.

Posted: Aug 7th, 2013

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Explosion illuminates invisible galaxy in the dark ages

More than 12 billion years ago a star exploded, glowing so brightly that it outshone its entire galaxy by a million times. This brilliant flash traveled across space for 12.7 billion years to a planet that hadn't even existed at the time of the explosion -- our Earth. By analyzing this light, astronomers learned about a galaxy that was otherwise too small, faint and far away for even the Hubble Space Telescope to see.

Posted: Aug 6th, 2013

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Astronomers image lowest-mass exoplanet around a sun-like star

Using infrared data from the Subaru Telescope in Hawaii, an international team of astronomers has imaged a giant planet around the bright star GJ 504. Several times the mass of Jupiter and similar in size, the new world, dubbed GJ 504b, is the lowest-mass planet ever detected around a star like the sun using direct imaging techniques.

Posted: Aug 5th, 2013

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