2017年9月15日 星期五

NASA’s Cassini Spacecraft Ends Its Historic Exploration of Saturn

A thrilling epoch in the exploration of our solar system came to a close today, as NASA's Cassini spacecraft made a fateful plunge into the atmosphere of Saturn, ending its 13-year tour of the ringed planet.

September 15, 2017
from NASA http://ift.tt/2x3lOAN
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