Fermi Bubbles · γ-ray lobes
unseel.com · Galactic Center outburst · ~8–10 kpc per lobe
spectrum dN/dE ∝ E⁻²
Lγ4×10³⁷ erg/s
phase
Sgr A* outburst
γ-ray bubble
eROSITA X-ray shell
Milky Way disk
Unseel.com · Fermi Bubbles