
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
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.
Quiz
In which active galaxy did astronomers first observe massive cosmic jets shooting across space?
Quiz
What is the name of the superheated disk of gas and dust that swirls around a black hole?
Quiz
Which space telescope measured high-energy X-rays from black hole accretion disks in 2020?
Quiz
At approximately what speed do the relativistic jets of matter shoot out from a black hole?
Quiz
What are the powerful, narrow beams of matter shot out from the poles of some active black holes?
Quiz
What is the informal scientific term for the stretching of an object as it falls into a black hole?



