fossilesque to Astronomy · 2 years agoThe Milky Way's Supermassive Black Hole had a Burst of Activity 200 Years Ago. We Just Saw the Echo.www.universetoday.comexternal-linkmessage-square0fedilinkarrow-up17arrow-down10
arrow-up17arrow-down1external-linkThe Milky Way's Supermassive Black Hole had a Burst of Activity 200 Years Ago. We Just Saw the Echo.www.universetoday.comfossilesque to Astronomy · 2 years agomessage-square0fedilink
