NASA @NASA
Our #IXPE observatory sent back its first science image: Cassiopeia A—the remains of a star that exploded 11,000 light-years from Earth. The supernova remnant is seen here in X-ray data from IXPE and @ChandraXray: https://t.co/Y9R8RPv2Pa https://t.co/f0nj4BIEvn — PolitiTweet.org
