Here come the X-rays, on cue. Scientists studying the Deep Impact collision using NASA’s Swift satellite report that comet Tempel 1 is getting brighter and brighter in X-ray light with each passing ...
COLLEGE PARK, Md. — NASA’s Deep Impact spacecraft has created a video of the moon transiting (passing in front of) Earth as seen from the spacecraft’s point of view 31 million miles away. Scientists ...
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