Inside a black hole

Chapter 1

The boundary of no return

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Chapter 2

The descent into extreme gravity

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Chapter 3

The heart of the mystery

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Chapter 4

The final fade and cosmic legacy

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YOUR GOAL

Master of Inside a black hole

Ch 2 · The descent into extreme gravity

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teacher When space and time swap roles

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teacher The dazzling light show of the accretion disk

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teacher The noodle effect of tidal forces

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teacher The cosmic jets shooting across space

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The Great Gravity Gulp

teacher The Great Gravity Gulp

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teacher Space is time, space is time / Falling forward to the end of the line!

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The dazzling light show of the accretion disk

teacher The dazzling light show of the accretion disk

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Fun Fact

Spaghetti in space: The tidal forces near a stellar black hole are so strong they would stretch you before you even touched the boundary.

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When space and time swap roles

teacher When space and time swap roles

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Quiz

In which active galaxy did astronomers first observe massive cosmic jets shooting across space?

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Gossip

Which sci-fi black hole movie got the visuals best?

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Quiz

What is the name of the superheated disk of gas and dust that swirls around a black hole?

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Quiz

Inside a black hole's event horizon, what does the singularity physically become?

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Quiz

Which space telescope measured high-energy X-rays from black hole accretion disks in 2020?

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Quiz

At approximately what speed do the relativistic jets of matter shoot out from a black hole?

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Quiz

What are the powerful, narrow beams of matter shot out from the poles of some active black holes?

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Quiz

What is the informal scientific term for the stretching of an object as it falls into a black hole?

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Quiz

What physical force causes the dramatic stretching of an object falling into a black hole?