(Phys.org) —NASA today announced the end of operations for the Deep Impact spacecraft, history's most traveled deep-space comet hunter, after trying unsuccessfully for more than a month to regain contact with the spacecraft.
Space Exploration
Sep 20, 2013
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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.
Space Exploration
Jul 24, 2013
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(Phys.org) —How powerful was February's meteor that crashed into Russia? Strong enough that its explosive entry into our atmosphere was detected almost 6,000 miles away in Lilburn, Ga., by infrasound sensors – a full ...
Earth Sciences
May 3, 2013
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(Phys.org) —The NASA Hubble Space Telescope has given astronomers their clearest view yet of Comet ISON, a newly-discovered sun grazer comet that may light up the sky later this year, or come so close to the Sun that it ...
Space Exploration
Apr 23, 2013
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(Phys.org)—The newly discovered comet ISON, which late this year could give sky watchers one of the brightest shows ever, shines in a new movie made by a University of Maryland-led team of scientists. The team recently ...
Space Exploration
Feb 5, 2013
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(Phys.org)—NASA's Deep Impact spacecraft completed a firing of its onboard rocket motors earlier today. The maneuver began at 1 p.m. PDT (4 p.m. EDT), lasted 71 seconds, and changed its velocity by 4.5 mph (2 meters per ...
Space Exploration
Oct 5, 2012
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(Phys.org)—When a huge meteor collided with Earth about 2.5 million years ago in the southern Pacific Ocean it not only likely generated a massive tsunami but also may have plunged the world into the Ice Ages, a new study ...
Earth Sciences
Sep 19, 2012
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The University of Central Florida has detected what could be its first planet, only two-thirds the size of Earth and located right around the corner, cosmically speaking, at a mere 33light- years away.
Astronomy
Jul 18, 2012
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New research from the University of Missouri indicates that Atlantic Ocean temperatures during the greenhouse climate of the Late Cretaceous Epoch were influenced by circulation in the deep ocean. These changes in circulation ...
Earth Sciences
Oct 27, 2011
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The oceans cover 71% of our planet, with over half with a depth greater than 3000 m. Although our knowledge is still very limited, we know that the deep ocean contains a diversity of habitats and ecosystems, supports high ...
Earth Sciences
Aug 2, 2011
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