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  How Young Star and Planets Grow Simultaneously

  January 2, 2013 — The ALMA telescope gives astronomers their first glimpse of a fascinating stage of star formation and helps resolve a mystery about how young planets and their infant star can both grow at the same ... > full story

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  • Giant Planets Seen Guzzling Gas as They Grow: Key Stage of Birth of Giant Planets Seen for First Time
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  Space Travel May Be Harmful to the Brain, Study Suggests; Prolonged Cosmic Radiation Exposure Could Hasten Alzheimer's

  December 31, 2012 — 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 ... > full story
• Space Station
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  Canadian Experiment to Track Space Radiation and Its Risks

  December 20, 2012 — Space can be a potentially hazardous environment to live and work in, especially when it comes to radiation. Originating from violent storms on the Sun and galactic cosmic rays produced in distant ... > full story
• Saturn
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  Saturn Mission: Cassini Instrument Learns New Tricks

  December 20, 2012 — For seven years, a mini-fridge-sized instrument aboard NASA's Cassini spacecraft reliably investigated weather patterns swirling around Saturn; the hydrocarbon composition of the surface of Saturn's ... > full story
• Asteroids, Comets and Meteors
  Near-Earth Object Impacts
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  Meteorite Triggered Scientific 'Gold Rush'

  December 20, 2012 — A meteorite that exploded as a fireball over California's Sierra foothills this past spring was among the fastest, rarest meteorites known to have hit the Earth, and it traveled a highly eccentric ... > full story

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  • New Meteorite Suggests That Asteroid Surfaces More Complex Than Previously Thought
• Extrasolar Planets
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  Closest Single Star Like Our Sun May Have Habitable Planet

  December 19, 2012 — An international team of astronomers has discovered that Tau Ceti, one of the closest and most Sun-like stars, may host five planets -- with one in the star's habitable ... > full story
• Saturn
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  From Cassini for the Holidays: Backlit View of Saturn and Its Rings

  December 18, 2012 — Just in time for the holidays, NASA's Cassini spacecraft, in orbit around Saturn for more than eight years now, has delivered another glorious, backlit view of the planet Saturn and its ... > full story
• Black Holes
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  From Super to Ultra: Just How Big Can Black Holes Get?

  December 18, 2012 — Some of the biggest black holes in the Universe may actually be even bigger than previously thought, according to a study using data from NASA's Chandra X-ray ... > full story
• Geomagnetic Storms
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  'Gusty Winds' in Space Turbulence: First Direct Measurement of Its Kind in the Lab

  December 17, 2012 — Imagine riding in an airplane as the plane is jolted back and forth by gusts of wind that you can't prove exist but are there nonetheless. Similar turbulence exists in space, and a research team has ... > full story
• Stars
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  How White Dwarfs Mimic Black Holes

  December 17, 2012 — Astronomers have revealed that bright X-ray flares in nearby galaxies, once assumed to indicate the presence of black holes, can in fact be produced by white dwarfs. They made the discovery by ... > full story

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