We see the invisible
Black holes betray themselves through light, motion, and ripples in spacetime. We’ve seen their shadow, heard their mergers, and weighed one at our core.Black Holes: How We See the Invisible
Imaging the shadow
The Event Horizon Telescope links radio dishes into an Earth‑sized virtual telescope to map the shadows of M87* and Sagittarius A*.Black Holes: How We See the Invisible
