2017年7月31日 星期一

NASA’s Voyager Spacecraft Still Reaching for the Stars After 40 Years

Humanity’s farthest and longest-lived spacecraft, Voyager 1 and 2, achieve 40 years of operation and exploration this August and September. Despite their vast distance, they continue to communicate with NASA daily, still probing the final frontier.

July 31, 2017
from NASA http://ift.tt/2f2bIvi
via IFTTT

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