Visualization of a black hole with an orange accretion disk. The parts of the disk circling over and under the hole are actually gravitationally lensed from the back side of the black hole.[126][127]

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

A large radio telescope beneath a starry night sky capturing celestial signals.

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

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