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Space Exploration News

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astrophysics, cosmology, the universe...

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NASA's Chandra helps confirm evidence of jet in Milky Way's black hole

Astronomers have long sought strong evidence that Sagittarius A*, the supermassive black hole at the center of the Milky Way, is producing a jet of high-energy particles. Finally they have found it, in new results from NASA's Chandra X-ray Observatory and the National Science Foundation's Very Large Array radio telescope.

Posted: Nov 20th, 2013

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Winged comet

New images of ISON indicate that the comet has lost individual fragments.

Posted: Nov 20th, 2013

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Researchers simulate electrons in astrophysical plasma jets

Physicists have been able to simulate the motion of billions of electrons within astrophysical plasma jets and calculate the light they emit with the help of a high-performance computer. They have been nominated for the Gordon Bell Prize as a result of their work.

Posted: Nov 19th, 2013

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MicroObservatory catches comet ISON

Comet ISON recently brightened and is currently visible with telescopes or binoculars in the constellation Virgo. Today the Harvard-Smithsonian Center for Astrophysics is releasing new images of ISON obtained with the MicroObservatory robotic telescope system.

Posted: Nov 18th, 2013

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Evidence found for granite on Mars

Researchers now have stronger evidence of granite on Mars and a new theory for how the granite - an igneous rock common on Earth - could have formed there, according to a new study. The findings suggest a much more geologically complex Mars than previously believed.

Posted: Nov 18th, 2013

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Scientists document, quantify deep-space radiation hazards

Scientists from the University of New Hampshire and colleagues have published comprehensive findings on space-based radiation as measured by a UNH-led detector aboard NASA's Lunar Reconnaissance Orbiter (LRO). The data provide critical information on the radiation hazards that will be faced by astronauts on extended missions to deep space such as those to Mars.

Posted: Nov 18th, 2013

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Hubble views an old and mysterious cluster

The Hubble Space Telescope has captured the best ever image of the globular cluster Messier 15, a gathering of very old stars that orbits the center of the Milky Way. This glittering cluster contains over 100 000 stars, and could also hide a rare type of black hole at its center.

Posted: Nov 14th, 2013

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Hubble reveals first scrapbook pictures of Milky Way's formative years

The Hubble Space Telescope has provided the first visual evidence showing how our home galaxy, the Milky Way, assembled itself into the majestic pinwheel of stars we see today. Perusing Hubble's deep-sky surveys, astronomers traced 400 galaxies similar to our Milky Way at various stages of construction over a time span of 11 billion years.

Posted: Nov 14th, 2013

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New theoretical models aid the search for Earth-like planets

Researchers from Bern have developed a method to simplify the search for Earth-like planets: By using new theoretical models they rule out the possibility of Earth-like conditions, and therefore life, on certain planets outside our solar system - and limit their search by doing so.

Posted: Nov 14th, 2013

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