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Space Exploration News

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astrophysics, cosmology, the universe...

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Galactic geysers fuelled by star stuff

Enormous outflows of charged particles from the centre of our Galaxy, stretching more than halfway across the sky and moving at supersonic speeds, have been detected and mapped with CSIRO's 64-m Parkes radio telescope.

Posted: Jan 2nd, 2013

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A eulogy to Herschel

With its 2160 litres of liquid helium about to run out, the Herschel Space Observatory will, by the end of March, become just another piece of space junk.

Posted: Jan 2nd, 2013

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Study shows space travel is harmful to the brain

As if space travel was not already filled with enough dangers, a new study shows that cosmic radiation - which would bombard astronauts on deep space missions to places like Mars - could accelerate the onset of Alzheimer's disease.

Posted: Jan 2nd, 2013

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An image gallery gift from NASA's Swift satellite

Of the three telescopes carried by NASA's Swift satellite, only one captures cosmic light at energies similar to those seen by the human eye. Although small by the standards of ground-based observatories, Swift's Ultraviolet/Optical Telescope (UVOT) plays a critical role in rapidly pinpointing the locations of gamma-ray bursts (GRBs), the brightest explosions in the cosmos.

Posted: Dec 29th, 2012

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China launches rival GPS satellite system

China has launched commercial and public services across the Asia-Pacific region on its domestic satellite navigation network built to rival the US global positioning system.

Posted: Dec 28th, 2012

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New free e-books available about two famous NASA space telescopes

NASA's Hubble Space Telescope has been providing astounding images of the universe since April 1990 and has led to remarkable discoveries. NASA's James Webb Space Telescope is the next-generation telescope that will peer even deeper into space and unveil even more mysteries. Both of these extraordinary telescopes are now the topics of two free e-books available from the Apple iBookstore.

Posted: Dec 22nd, 2012

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Stars reveal the secrets of looking young

In certain circumstances, stars can be given a new burst of life, receiving extra fuel that bulks them up and substantially brightens them. This can happen if one star pulls matter off a neighbour, or if they collide.

Posted: Dec 19th, 2012

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Closest Sun-like star may have planets

An international team of scientists, including Carnegie's Paul Butler, has discovered that Tau Ceti, one of the closest and most Sun-like stars, may have five planets.

Posted: Dec 19th, 2012

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