
NASA @NASA
💥 With the wave of explosion moving at nearly 9 million miles per hour, this hand-shaped cosmic structure packs quite a punch! For the first time, @ChandraXray has been able to measure the motions of a remarkable supernova remnant. Find out more: https://t.co/cj7s0Bjqi4 https://t.co/cS9HnkjYyk — PolitiTweet.org