2018年12月4日 星期二

OSIRIS-REx Arrives at Bennu

OSIRIS-REx Spacecraft Arrives at Asteroid Bennu

"The spacecraft executed a maneuver that transitioned it from flying toward Bennu to operating around the asteroid. Now, at about 11.8 miles (19 kilometers) from Bennu's Sun-facing surface, OSIRIS-REx will begin a preliminary survey of the asteroid. The spacecraft will commence flyovers of Bennu's north pole, equatorial region, and south pole, getting as close as nearly 4 miles (7 kilometers) above Bennu during each flyover."



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