Selasa, 19 November 2013

3 Questions: Richard Binzel on the discovery of three large, near-Earth asteroids


MIT News - 1 minggu yang lalu
*Last week, scientists in MIT’s Department of Earth, Atmospheric and Planetary Sciences helped characterize three large, near-Earth asteroids, two of which measure about 12 miles in diameter — the largest asteroids to have been discovered in 23 years. The smallest of the three asteroids measures little more than a mile across, but it may pass within 3.4 million miles of Earth, making it a “potentially hazardous asteroid.” The team made their measurements using NASA’s Infrared Telescope Facility in Hawaii as part of a project devoted to determining the compositions of new comets and... lainnya »

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