
StarTalk @StarTalkRadio
#OTD 3/13-14/1986: @ESA's Giotto mission made its closest approach to #Halley's comet, a harrowing experience that nearly destroyed the probe yet returned a treasure trove of valuable data and images like this one: https://t.co/VjuCYXw3PS https://t.co/IQJ8YyN7OH — PolitiTweet.org