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Spitzer observes gas emission from comet Ison

Astronomers using NASA's Spitzer Space Telescope have observed what most likely are strong carbon dioxide emissions from Comet ISON ahead of its anticipated pass through the inner solar system later this year.

Posted: Jul 23rd, 2013

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A new record for cosmic X-ray sightings

Scientists led by the University of Leicester have set a new record for cosmic X-ray sources ever sighted - creating an unprecedented cosmic X-ray catalogue that will provide a valuable resource allowing astronomers to explore the extreme Universe.

Posted: Jul 23rd, 2013

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Hubble hows link between stars' ages and their orbits

Astronomers using NASA's Hubble Space Telescope have determined the orbital motion of two distinct populations of stars in an ancient globular star cluster, offering proof they formed at different times and providing a rare look back into the Milky Way galaxy's early days.

Posted: Jul 18th, 2013

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ESA test opens way to UK spaceplane engine investment

The UK government has announced plans to invest in the development of an air-breathing rocket engine - intended for a single-stage-to-orbit spaceplane - following the ESA-managed feasibility testing of essential technology.

Posted: Jul 18th, 2013

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Earth's gold came from colliding dead stars

Gold is rare on Earth in part because it's also rare in the universe. Unlike elements like carbon or iron, it cannot be created within a star. Instead, it must be born in a more cataclysmic event.

Posted: Jul 17th, 2013

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New findings on makeup of universe may spawn research

New areas of extragalactic study may emerge from research by astrophysicists using data from the Chandra Space Telescope to conclude that baryons making up all visible matter - once thought to be missing from clusters - are present in the expected ratios in large, luminous clusters.

Posted: Jul 16th, 2013

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The heart of space weather observed in action (w/video)

Two NASA spacecraft have provided the most comprehensive movie ever of a mysterious process at the heart of all explosions on the sun: magnetic reconnection. Magnetic reconnection happens when magnetic field lines come together, break apart and then exchange partners, snapping into new positions and releasing a jolt of magnetic energy. This process lies at the heart of giant explosions on the sun, such as solar flares and coronal mass ejections, which can fling radiation and particles across the solar system.

Posted: Jul 15th, 2013

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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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