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Space Exploration News

The latest news about space exploration and technologies,
astrophysics, cosmology, the universe...

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Hubble finds new Neptune moon

NASA's Hubble Space Telescope has discovered a new moon orbiting the distant blue-green planet Neptune. This brings the number of known satellites circling the giant planet to 14.

Posted: Jul 15th, 2013

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Study shows disks don't need planets to make patterns (w/video)

A new study by NASA scientists sounds a cautionary note in interpreting rings and spiral arms as signposts for new planets. Thanks to interactions between gas and dust, a debris disk may, under the right conditions, produce narrow rings on its own, no planets needed.

Posted: Jul 14th, 2013

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Hubble finds a true blue planet

Astronomers using NASA's Hubble Space Telescope have deduced the actual visible-light color of a planet orbiting another star 63 light-years away.

Posted: Jul 11th, 2013

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Sun's loops are displaying an optical illusion

To understand how the corona is heated, some astronomers study coronal loops. These structures are shaped like an upside-down U and show where magnetic field lines are funneling solar gases or plasma. Our best photos of the sun suggest that these loops are a constant width, like strands of rope. However, new work shows that this is an optical illusion; the loops are actually tapered, wider at the top and narrower at the ends. This finding has important implications for coronal heating.

Posted: Jul 9th, 2013

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Space-time is not the same for everyone

Before the Big Bang, space-time as we know it did not exist. So how was it born? The process of creating normal space-time from an earlier state dominated by quantum gravity has been studied for years by theorists at the Faculty of Physics, University of Warsaw. Recent analyses suggest a surprising conclusion: not all elementary particles are subject to the same space-time.

Posted: Jul 9th, 2013

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Detecting DNA in space

Researchers, in a step toward analyzing Mars for signs of life, find that gene-sequencing chip can survive space radiation.

Posted: Jul 9th, 2013

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Cosmic dust belts without dust

Six newly discovered debris disks not only are extremely cold, they also are lacking the characteristic dust which is always released when the rocks collide.

Posted: Jul 8th, 2013

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Feeding galaxy caught in distant searchlight by international research team

An international group of astronomers has spotted a distant galaxy hungrily snacking on nearby gas. The gas is seen to fall inward toward the galaxy, creating a flow that both fuels star formation and drives the galaxy's rotation. This is the best direct observational evidence so far supporting the theory that galaxies pull in and devour nearby material in order to grow and form stars.

Posted: Jul 5th, 2013

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