What is a black hole?
Event horizon, singularity and shadow are different concepts. Understand the boundary on escaping light, the EHT image and why black holes do not suck in everything.
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#EHT
Articles: 2
What lies at the center of the Milky Way?
Sagittarius A*: how S2’s motion and the EHT ring reveal a central mass, and why an image of the shadow is not a photograph of the horizon.