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Space Exploration News

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astrophysics, cosmology, the universe...

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Titan, Saturn's largest moon, icier than thought

Scientists have long suspected that a vast ocean of liquid water lies under the crusty exterior of Titan, Saturn's largest moon. New analysis suggests that the internally generated heat that keeps that ocean from freezing relies on the moon's interactions with Saturn and its other moons.

Posted: Dec 4th, 2012

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Improving software for asteroid detection

Alon Efrat and Jonathan Myers of the University of Arizona computer science department are working under a new grant to help improve methods for discovering asteroids on paths toward Earth.

Posted: Dec 4th, 2012

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New radio telescope could save world billions

A small pocket of Western Australia's remote outback is set to become the eye on the sky and could potentially save the world billions of dollars. The Murchison Widefield Array (MWA) radio telescope, unveiled today, Friday 30 November, will give the world a dramatically improved view of the Sun and provide early warning to prevent damage to communication satellites, electric power grids and GPS navigation systems.

Posted: Nov 30th, 2012

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Record-setting X-ray jet discovered

A jet of X-rays from a supermassive black hole 12.4 billion light years from Earth has been detected by NASA's Chandra X-ray Observatory. This is the most distant X-ray jet ever observed and gives astronomers a glimpse into the explosive activity associated with the growth of supermassive black holes in the early universe.

Posted: Nov 28th, 2012

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Giant black hole could upset galaxy evolution models

A group of astronomers have discovered a black hole that could shake the foundations of current models of galaxy evolution. At 17 billion times the mass of the Sun, its mass is much greater than current models predict - in particular in relation to the mass of its host galaxy.

Posted: Nov 28th, 2012

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Asteroid dust from space

To the naked eye there is nothing to see, and yet the small transparent container holds something never observed before. For the first time, scientists are studying asteroid dust collected by a spacecraft and returned to Earth.

Posted: Nov 28th, 2012

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