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DARPA telescope headed to Australia to help track space debris

DARPA's ground-based Space Surveillance Telescope may soon head to Australia. An agreement reached this week with Australia's Department of Defense will allow DARPA to take the 180,000 lb. three-mirror Mersenne-Schmidt telescope to Australia to track and catalogues space debris and objects unique to the space above that region of the world that could threaten DoD satellites.

Nov 19th, 2012

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Portrait of a super-Jupiter

A discovery in the Andromeda constellation sheds new light on the birth of planets. The gas giant has roughly 13 times the mass of Jupiter, while the parent star has 2.5 times the mass of the Sun. This planet probably formed in a similar way to ordinary, lower-mass planets: in a 'protoplanetary disk' of gas and dust. This makes the planet an important test case for current models of how planets are born.

Nov 19th, 2012

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Thirty million hours of supercomputer time for space simulation

In space research, the Finnish Meteorological Institute specialises in large-scale computer simulations modelling the behaviour of particles and electromagnetic fields in the vicinity of Earth and other bodies in the solar system. Simulation models are used, for example, to study processes involved in the origin of auroras.

Nov 19th, 2012

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Robotic explorers may usher in lunar 'water rush'

The American space program stands at the cusp of a "water rush" to the moon by several companies developing robotic prospectors for launch in the near future, according to a NASA scientist considering how to acquire and use water ice believed to be at the poles of the moon.

Nov 18th, 2012

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Melt water on Mars could sustain life

Near surface water has shaped the landscape of Mars. Areas of the planet's northern and southern hemispheres have alternately thawed and frozen in recent geologic history and comprise striking similarities to the landscape of Svalbard. This suggests that water has played a more extensive role than previously envisioned, and that environments capable of sustaining life could exist.

Nov 16th, 2012

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Crescent moon sets stage for brilliant Leonids meteor shower

The 2012 Leonid meteor shower peaks on the night/morning of Nov. 16-17. If forecasters are correct, the shower should produce a mild but pretty sprinkling of meteors over North America, followed by a more intense outburst over Asia. The new moon will set the stage for what could be one of the best Leonid showers in years.

Nov 15th, 2012

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Born-again star foreshadows fate of Solar System

Astronomers have found evidence for a dying Sun-like star coming briefly back to life after casting its gassy shells out into space, mimicking the possible fate our own Solar System faces in a few billion years.

Nov 15th, 2012

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Life and death in a star-forming cloud

The aftershock of a stellar explosion rippling through space is captured in this new view of supernova remnant W44, which combines far-infrared and X-ray data from ESA's Herschel and XMM-Newton space observatories.

Nov 14th, 2012

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Lost in space: Rogue planet spotted?

Astronomers using ESO's Very Large Telescope and the Canada-France-Hawaii Telescope have identified a body that is very probably a planet wandering through space without a parent star. This is the most exciting free-floating planet candidate so far and the closest such object to the Solar System at a distance of about 100 light-years.

Nov 14th, 2012

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Missing hydrogen problem solved

The mystery of why scientists cannot detect hydrogen in the most distant regions of the universe has been addressed by University of Sydney research.

Nov 13th, 2012

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