Interstellar asteroid ‘Oumuamua ☄ is small but reflective, according to new findings from scientists who pointed @NASAspitzer at the object. Its surface may have been swept free of dust and dirt by a close approach to the Sun. What we know: https://t.co/TqstZxYSjD pic.twitter.com/sNiJR0puHi

— NASA (@NASA) November 14, 2018