
NASA @NASA
Astronomers are used to studying celestial objects that are millions or even billions of years old. That’s why a 240-year-old neutron star recently discovered by our @NASAUniverse Swift Observatory is, by cosmic standards, a newborn. 👶⭐ https://t.co/WIt8XFAa1L https://t.co/9ioWduzqE3 — PolitiTweet.org