NASA @NASA
Have you heard about an asteroid close-approach happening on April 29? Asteroid 1998 OR2 poses no threat to our planet, but we can still learn a lot by studying it. Tune in to a special episode of #NASAScience Live today at 3pm ET: https://t.co/lfAouf6fRT https://t.co/uzwtaRGSmI — PolitiTweet.org