NASA @NASA
Not all X-rays are the same! Like other types of light, X-rays can have different polarizations—and when @NASA_Marshall's #IXPE observatory launches next month, it'll track polarized X-rays to help us study everything from black holes to pulsar winds: https://t.co/G1h1iyhZIU https://t.co/Pshkbe73ON — PolitiTweet.org