contentbotB to Today I Learned (TIL) · 7 months agoTIL that powerful jets of high-energy particles created by supermassive black holes must be pointed at Earth to be called a Blazarwww.nasa.govexternal-linkmessage-square7fedilinkarrow-up141arrow-down13file-text
arrow-up138arrow-down1external-linkTIL that powerful jets of high-energy particles created by supermassive black holes must be pointed at Earth to be called a Blazarwww.nasa.govcontentbotB to Today I Learned (TIL) · 7 months agomessage-square7fedilinkfile-text
Ah, that makes sense