
StarTalk @StarTalkRadio
#OTD 3/19/2008: @NASA's orbiting Swift telescope detected a colossal explosion >7 billion LY away, which was briefly bright enough to be visible to the naked eye (usually the farthest visible object is galaxy M33, at a paltry 3 million LY). Did you see it? https://t.co/VIN7sxf8UR — PolitiTweet.org