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2 for 1 #BlackFriday deal! Actually, it's 2 black holes merging into 1: http://t.co/ymZxzddNcv #BlackHoleFriday
A black hole's pull of gravity is so strong, no light escapes: http://t.co/j7YejD8yaK #BlackHoleFriday #BlackFriday
We're excited to learn from @ESA_Rosetta to help inform future missions like @OSIRISREx: http://t.co/jiLozLypho
Did you know? We have 3 instruments on @ESA_Rosetta orbiter. Learn more: http://t.co/YyQkZrcz7g #CometLanding
As seen on #Cosmos: CO2, a greenhouse gas in Earth's atmosphere: http://t.co/OSMRveAYk6 #EarthRightNow