What Causes a ‘Black Hole’ to Form?

A black hole is like a super-dense vacuum cleaner in space. When something really massive, like a star, collapses into itself, it’s like the star squeezed into a tiny point and then pulled apart by its own gravity. That's when a black hole forms.

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Examples

A star collapses like a giant ball of fire shrinking into nothingness.
Imagine dropping all your toys into a tiny box, that’s how dense a black hole is.
Even if you tried to shine a flashlight at it, the light wouldn’t come back.

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Categories: Physics · black holes,gravity,cosmic phenomena