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Do all these galaxies just float around by themselves
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Secrets of Size: Atoms to Supergalaxies

Do all these galaxies justfloat around by themselves, moving through space serenelyas...

Do all these galaxies just
float around by themselves, moving through space serenely
as independent objects, as lone travellers?

Full Transcript

00:00:01.000 --> 00:00:04.599
Do all these galaxies just float around by themselves,
00:00:04.006 --> 00:00:09.199
moving through space serenely as independent objects,
00:00:09.002 --> 00:00:11.439
as lone travellers?
Duration
11 seconds
Views
20
Timestamp in Movie
00:39:31
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 You see, the way lenses work is that they bend the light - Secrets of Size: Atoms to Supergalaxies 00:11
You see, the way lenses work is that they bend the light
S01 • E02 Or do they come together as part of even larger structures? - Secrets of Size: Atoms to Supergalaxies 00:06
Or do they come together as part of even larger structures?
S01 • E02 And how can we even answer that question? - Secrets of Size: Atoms to Supergalaxies 00:05
And how can we even answer that question?
S01 • E01 So, when I try to focus the sun, for instance, - Secrets of Size: Atoms to Supergalaxies 00:08
So, when I try to focus the sun, for instance,
S01 • E01 Which means, at high magnifications especially, - Secrets of Size: Atoms to Supergalaxies 00:09
Which means, at high magnifications especially,
S01 • E02 Fortunately, to help tackle this puzzle, - Secrets of Size: Atoms to Supergalaxies 00:10
Fortunately, to help tackle this puzzle,
S01 • E01 Electron microscope lenses are exactly the same, - Secrets of Size: Atoms to Supergalaxies 00:08
Electron microscope lenses are exactly the same,
S01 • E01 And at high magnification, - Secrets of Size: Atoms to Supergalaxies 00:07
And at high magnification,
S01 • E02 What you heard there was the famous Doppler effect. - Secrets of Size: Atoms to Supergalaxies 00:04
What you heard there was the famous Doppler effect.
S01 • E01 Now, for glass lenses, this issue can be minimised. - Secrets of Size: Atoms to Supergalaxies 00:05
Now, for glass lenses, this issue can be minimised.
S01 • E02 As the car approaches, the pitch of the trumpet is high. - Secrets of Size: Atoms to Supergalaxies 00:04
As the car approaches, the pitch of the trumpet is high.
S01 • E01 You add a second lens, a concave lens, - Secrets of Size: Atoms to Supergalaxies 00:10
You add a second lens, a concave lens,
S01 • E02 The effect happens because, as the car approaches me, - Secrets of Size: Atoms to Supergalaxies 00:11
The effect happens because, as the car approaches me,
S01 • E01 But this solution doesn't work with electron microscopes. - Secrets of Size: Atoms to Supergalaxies 00:05
But this solution doesn't work with electron microscope...
S01 • E01 The lenses of electron microscopes are fundamentally different - Secrets of Size: Atoms to Supergalaxies 00:09
The lenses of electron microscopes are fundamentally differe...
S01 • E02 As the car drives away from me, - Secrets of Size: Atoms to Supergalaxies 00:07
As the car drives away from me,
S01 • E01 The physics of electrons and electromagnetic fields forbids it. - Secrets of Size: Atoms to Supergalaxies 00:06
The physics of electrons and electromagnetic fields forbids ...
S01 • E02 When a source of light is moving towards us, its waves shorten, - Secrets of Size: Atoms to Supergalaxies 00:09
When a source of light is moving towards us, its waves short...
S01 • E01 So it seemed that electron microscopes - Secrets of Size: Atoms to Supergalaxies 00:08
So it seemed that electron microscopes
S01 • E02 When it's moving away, - Secrets of Size: Atoms to Supergalaxies 00:06
When it's moving away,