NASA's asteroid-chaser Osiris-Rex completed a key part of its mission this week by managing to nab some rocks from the surface of the potentially hazardous asteroid Bennu, NASA reported Friday.
The spacecraft traveled over 200 million miles and four years to briefly bump into Bennu, blast it with compressed gas and collect bits of its surface. The space agency on Wednesday shared the first batch of images from the daring operation, revealing a delicate-yet-explosive moment between rock and robot.
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