NASA @NASA
It’s the perfect time of year to comb through the “X-ray Files." @chandraxray has observed hundreds of thousands of X-ray sources across the Universe. Peruse a sample of composite images taken of a small satellite galaxy located 150,000 light years away: https://t.co/EIIS3Q8bmM https://t.co/temK9DfLnm — PolitiTweet.org