NASA @NASA
Letting go of the past is not one of Dr. John Mather’s strong suits. In fact, he’s received a Nobel Prize for it. As @NASAWebb's senior project scientist at @NASAGoddard, Mather is shifting the past into new focus. Learn more in Gravity Assist: https://t.co/ysAAnkxRsJ https://t.co/K87kLYHLfP — PolitiTweet.org