What are black holes and how do they form?

Black Hole Collision May Have Exploded With Light

Supermassive black holes are largest ever discovered, Astronomy

Record-breaking black hole found in the early universe

What Are Black Holes And How Do They Form? - Spaceopedia

What is that black sphere around black holes? - Quora

Here's why the black hole photo looks like the Eye of Sauron - The Washington Post

Black hole, Definition, Formation, Types, Pictures, & Facts

Black Holes: What is the Cosmic Censorship Hypothesis? - Quora

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