Sgr A* Wind
After a 50-year search, astronomers confirmed a wind blowing from the Milky Way’s supermassive black hole — a bipolar cone cavity ~1 parsec wide, swept clean over ≥20,000 years. Northwestern University via ALMA & Chandra, June 2026.
t = 0 yr0 / 20,000 yrt = 20,000 yr
Sgr A* (4M M☉)
Cold molecular gas
Wind particles
Cleared cone cavity
Distance
26,000 ly
Cavity size
~1 parsec · 45°
Wind age
≥ 20,000 yr
Detected
Northwestern, Jun 2026