The Project Is All About Black Holes Like Black Ohles Have Types Like Saggitarius A Is Big

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Inside black holes

Imágenes

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hue Superheated gas and dust swirl around the black hole, glowing brightly before they fall in.

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hue At the very center of a black hole lies the singularity, where all matter is crushed into zero volume.

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Fun Facts

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Fun Fact

Gravitational lensing: Black holes bend light like a cosmic magnifying glass, warping the image of stars behind them.

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Quizzes

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Quiz

At what speed would an object need to travel to escape a black hole once inside the event horizon?

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Quiz

What is the infinitely dense point at the center of a black hole called?

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Quiz

What is the photon sphere of a black hole made of?

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Quiz

What optical effect occurs when a black hole's gravity bends light from stars behind it?

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Quiz

Whose theory of general relativity predicted the mathematical possibility of black holes?

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Quiz

What causes the accretion disk around a black hole to glow so brightly?

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Quiz

What type of radiation is primarily emitted by the superheated matter in a black hole's accretion disk?

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Quiz

What is the boundary around a black hole from which nothing can escape called?

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Glosario

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Glossary

event horizon (noun)
The boundary surrounding a black hole from which no matter or radiation can escape. In 2022, the Event Horizon Telescope captured the first direct image of this boundary around Sagittarius A.