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A black hole is formed when matter, such as a massive star, implodes
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Secrets of Size: Atoms to Supergalaxies

A black hole is formed when matter,such as a massive star, implodes, becoming so densethat...

A black hole is formed when matter,
such as a massive star, implodes, becoming so dense
that not even light can escape its gravitational pull

Full Transcript

00:00:01.000 --> 00:00:06.679
A black hole is formed when matter, such as a massive star, implodes,
00:00:06.068 --> 00:00:09.599
becoming so dense that not even light
00:00:09.006 --> 00:00:11.839
can escape its gravitational pull.
Duration
12 seconds
Views
23
Timestamp in Movie
00:36:26
Uploaded
May 06, 2025
Season
1
Episode
2
Genres
documentary

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Movie Summary

In this mind-bending series, Jim Al-Khalili explores the vast range of size in the universe, from tiny atoms to gigantic, interconnected galaxies.
S01 • E01 The dots are at different intensities. Some of them - Secrets of Size: Atoms to Supergalaxies 00:06
The dots are at different intensities. Some of them
S01 • E01 And what she had to do was carry out a complicated - Secrets of Size: Atoms to Supergalaxies 00:16
And what she had to do was carry out a complicated
S01 • E02 It's now thought that there may be a supermassive black hole - Secrets of Size: Atoms to Supergalaxies 00:09
It's now thought that there may be a supermassive black...
S01 • E02 In 2019, a team of astronomers - Secrets of Size: Atoms to Supergalaxies 00:10
In 2019, a team of astronomers
S01 • E01 And density means there's an atom there. And the final stage - Secrets of Size: Atoms to Supergalaxies 00:08
And density means there's an atom there. And the final ...
S01 • E01 ..to... essentially draw a contour map. - Secrets of Size: Atoms to Supergalaxies 00:04
..to... essentially draw a contour map.
S01 • E01 This represents a slice through the molecule - Secrets of Size: Atoms to Supergalaxies 00:09
This represents a slice through the molecule
S01 • E02 A key issue here is that the black hole itself cannot emit anything. - Secrets of Size: Atoms to Supergalaxies 00:06
A key issue here is that the black hole itself cannot emit a...
S01 • E02 Light only falls into it, it doesn't come out of the black hole. - Secrets of Size: Atoms to Supergalaxies 00:04
Light only falls into it, it doesn't come out of the bl...
S01 • E01 And what she's done is join up areas of equivalent density, - Secrets of Size: Atoms to Supergalaxies 00:09
And what she's done is join up areas of equivalent dens...
S01 • E02 And what we can see is emission - Secrets of Size: Atoms to Supergalaxies 00:10
And what we can see is emission
S01 • E01 So how did Hodgkin then go to the full 3D structure? - Secrets of Size: Atoms to Supergalaxies 00:05
So how did Hodgkin then go to the full 3D structure?
S01 • E02 An analogy for the accretion disk of a black hole - Secrets of Size: Atoms to Supergalaxies 00:06
An analogy for the accretion disk of a black hole
S01 • E01 What you want to do is take a number of slices, - Secrets of Size: Atoms to Supergalaxies 00:11
What you want to do is take a number of slices,
S01 • E02 As water goes down the plughole, much of it swirls around the rim. - Secrets of Size: Atoms to Supergalaxies 00:06
As water goes down the plughole, much of it swirls around th...
S01 • E02 In supermassive black holes, some matter is swallowed, - Secrets of Size: Atoms to Supergalaxies 00:08
In supermassive black holes, some matter is swallowed,
S01 • E01 So, you can see, what we've got here is a stack of Perspex sheets - Secrets of Size: Atoms to Supergalaxies 00:07
So, you can see, what we've got here is a stack of Pers...
S01 • E02 The result is an astonishing build-up of heat caused by friction. - Secrets of Size: Atoms to Supergalaxies 00:06
The result is an astonishing build-up of heat caused by fric...
S01 • E01 And on each sheet, you've got the contour lines drawn, - Secrets of Size: Atoms to Supergalaxies 00:07
And on each sheet, you've got the contour lines drawn,
S01 • E01 And if you're looking down from the top, - Secrets of Size: Atoms to Supergalaxies 00:06
And if you're looking down from the top,