NASA @NASA
Two pairs of supermassive black holes in dwarf galaxies are on collision courses in a new study by @ChandraXray. Researchers suspect dwarf galaxies merge to create larger galaxies like our Milky Way & may give insight into our galaxy’s past: https://t.co/TVjluH5Koa https://t.co/omYsDnyHiU — PolitiTweet.org