NASA @NASA
"When you think of Bennu, think of it almost as a Rosetta Stone — something that tells the history of our entire solar system over the last billions of years." — @Dr_ThomasZ on tomorrow's asteroid sample collection attempt by our @OSIRISREx spacecraft: https://t.co/z1RgZwQkWS https://t.co/QklpmBm53t — PolitiTweet.org
