NASA @NASA
β β‘οΈπ₯ A Chandra supernova in the sky... This @chandraxray image captures a star in the constellation Cassiopeia that was obliterated by an explosion, leaving this three-dimensional object: a supernova remnant. What was revealed in its pattern of debris: https://t.co/hMfq5uTdq9 https://t.co/Uh9cpL50T2 — PolitiTweet.org