It may have been small, appearing so even in the best optical telescopes on Earth, but the flyby of asteroid 2012 DA14 was anything but a minor event to astronomers. Never feared as a threat to anyone or anything on or around our planet, DA14, about the size of half a football field, did come within 17-thousand miles of Earth, about 5-thousand miles close than many of our satellites in geosynchronous orbit. And that gave astronomers and scientists something to see and learn about, relatively up close.
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July 28, 2015 A group of scientists have described developing and launching their imager, which centers on "Lobster-Eye optics," as well as its capabilities and future applications in space ... read more
July 23, 2015 Using archival data from the Sloan Digital Sky Survey, and the XMM-Newton and Chandra X-ray telescopes, astronomers have discovered a gigantic black hole, which is probably ... read more
July 21, 2015 Compared to its celestial neighbors Venus and Mars, Earth is a pretty habitable place. So how did we get so lucky? A new study sheds light on the improbable evolutionary path ... read more
Feb. 14, 2013 Like trailers for the coming attraction, new images show asteroid 2012 DA14 on its way to a record-close approach to Earth on Feb. 15. One image, taken by amateur astronomer Dave Herald of ... read more
Feb. 4, 2013 The small near-Earth asteroid 2012 DA14 will pass very close to Earth on February 15, so close that it will pass inside the ring of geosynchronous weather and communications satellites. NASA's ... read more
Jan. 11, 2013 NASA scientists at the agency's Jet Propulsion Laboratory in Pasadena, Calif., effectively have ruled out the possibility the asteroid Apophis will impact Earth during a close flyby in 2036. The ... read more
Mar. 15, 2012 When it whizzes past Earth in 2013, a newly discovered asteroid is going to miss our planet -- but not by much. The 50-meter space rock is expected to come closer than many satellites, highlighting ... read more