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NEOWISE NASA space telescope "pick out" potential threat to the asteroid

via:博客园     time:2016/4/7 17:09:50     readed:1072

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Over the past year, the NEOWISE telescope has captured a stunning 5 million 100 thousand infrared image. Since the beginning of 2013, after the restart, NEOWISE telescope in the infrared band to monitor more than 19000 asteroids and comets, of which 250 of the newly discovered objects including the 4 comets.

Based on the data obtained by the NEOWISE telescope, NASA according to the size of these asteroids and orbit, will be eight potential threat to the asteroid (PHAs) classification.

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Green circle represents near earth small objects

NASA researcher James Bauer said that through the study of bright and dark materials distribution, neowise provides data for us to better understand the origin of near earth objects.

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