An asteroid nearly two miles (three kilometers) wide is set to pass by Earth Friday with no risk of impact, offering scientists a rare chance to study a massive flying object with its own moon.
Space Exploration
May 31, 2013
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(Phys.org) —On May 31, 2013, asteroid 1998 QE2 will sail serenely past Earth, getting no closer than about 3.6 million miles (5.8 million kilometers), or about 15 times the distance between Earth and the moon. And while ...
Space Exploration
May 16, 2013
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(Phys.org) —A sequence of radar images of asteroid 2013 ET was obtained on March 10, 2013, by NASA scientists using the 230-foot (70-meter) Deep Space Network antenna at Goldstone, Calif., when the asteroid was about 693,000 ...
Space Exploration
Mar 19, 2013
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While Asteroid 4179 Toutatis was never a threat to hit Earth during its quite-distant pass on Dec. 11-12, astronomers were keeping their instruments and eyes on this space rock to learn more about it, as well as learning ...
Space Exploration
Dec 13, 2012
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(Phys.org)—A new analysis of topographic and gravity data from Titan, the largest of Saturn's moons, indicates that Titan's icy outer crust is twice as thick as has generally been thought.
Space Exploration
Dec 4, 2012
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When it rains it pours, goes the saying, and for the last 15 years, the data on tropical rainfall have poured in. NASA's Tropical Rainfall Measuring Mission (TRMM) was launched on Nov. 27, 1997, and for the last decade and ...
Earth Sciences
Nov 28, 2012
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(Phys.org)—A collage shows nine radar images of near-Earth asteroid 2007 PA8 that were obtained between Oct. 31 and Nov. 13, 2012, with data collected by NASA's 230-foot-wide (70-meter) Deep Space Network antenna at Goldstone, ...
Space Exploration
Nov 27, 2012
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Asteroid 2012 TC4 will give Earth a relatively close shave on October 12, 2012, passing at just a quarter of the distance to the orbit of the Moon. Discovered by Pan-STARRS observatory in Hawaii just last week on October ...
Space Exploration
Oct 12, 2012
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Scientists of KIT and Ruhr-Universität Bochum have reached a record precision in radar distance measurements. With the help of a new radar system, an accuracy of one micrometer was achieved in joint measurements. The system ...
Engineering
Sep 14, 2012
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(Phys.org)—In the south Aegean Sea, the islands of Santorini have been showing signs of unrest for the first time in over half a century. Satellite data confirm that the islands have risen as much as 14 cm since January ...
Earth Sciences
Sep 11, 2012
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