#blackholeUnmoderated tagAll postsExplore CommunitiesTrending CommunitiesNewcomers' CommunitySteemit FeedbackSteemitCryptoAcademyআমার বাংলা ব্লগSteem AllianceKorea • 한국 • KR • KOComunidad LatinaBeauty of CreativitySTEEM CN/中文Tron Fan ClubSteem POD TeamAVLE 일상#blackholeTrendingHotNewPayoutsMutedbeam-me-up (54)in #astronomy • 6 days agoA black hole is stirring gas across 300,000 light-yearsI read about this yesterday and I still keep thinking about how big it is. There is a quasar called H1821+643, over…