NASAのインスタグラム(nasa) - 12月20日 23時51分

Our Asteroid Hunter Spacecraft Returns First Images after Reactivation - NASA’s NEOWISE spacecraft opened its "eyes" after more than two years of slumber to see the starry sky. This image of a patch of sky in the constellation Pisces is among the first taken by the spacecraft’s infrared cameras.
NASA's Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE), a spacecraft that made the most comprehensive survey to date of asteroids and comets, has returned its first set of test images in preparation for a renewed mission. NEOWISE discovered more than 34,000 asteroids and characterized 158,000 throughout the solar system during its prime mission in 2010 and early 2011. It was reactivated in September following 31 months in hibernation, to assist NASA's efforts to identify the population of potentially hazardous near-Earth objects (NEOs). NEOWISE also can assist in characterizing previously detected asteroids that could be considered potential targets for future exploration missions.
Image Credit:
NASA/JPL-Caltech
#nasa #astrophysics #space #exploration #asteroids #neowise #pisces #comet

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