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When it's moving away
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Secrets of Size: Atoms to Supergalaxies

When it's moving away, the waves are shiftedtowards the red

When it's moving away, the waves are shifted
towards the red

Full Transcript

00:00:01.000 --> 00:00:03.119
When it's moving away,
00:00:03.012 --> 00:00:06.039
the waves are shifted towards the red.
Duration
6 seconds
Views
14
Timestamp in Movie
00:40:51
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 • E02 So, by measuring the spectrum of light given off by a cosmic object, - Secrets of Size: Atoms to Supergalaxies 00:11
So, by measuring the spectrum of light given off by a cosmic...
S01 • E01 The question was whether we could delve deeper to see even smaller. - Secrets of Size: Atoms to Supergalaxies 00:07
The question was whether we could delve deeper to see even s...
S01 • E01 Well, the next breakthrough that changed everything - Secrets of Size: Atoms to Supergalaxies 00:07
Well, the next breakthrough that changed everything
S01 • E02 It's one of the uses of a technique called spectroscopy. - Secrets of Size: Atoms to Supergalaxies 00:05
It's one of the uses of a technique called spectroscopy...
S01 • E02 I'd like to give you an example of how spectroscopy works in practice. - Secrets of Size: Atoms to Supergalaxies 00:05
I'd like to give you an example of how spectroscopy wor...
S01 • E01 Two teams of headstrong scientists started to question the orthodoxy. - Secrets of Size: Atoms to Supergalaxies 00:07
Two teams of headstrong scientists started to question the o...
S01 • E02 A few days ago, I asked my local astronomy club - - Secrets of Size: Atoms to Supergalaxies 00:10
A few days ago, I asked my local astronomy club -
S01 • E01 There were three in Germany - - Secrets of Size: Atoms to Supergalaxies 00:16
There were three in Germany -
S01 • E02 Using an instrument called a spectroscope, - Secrets of Size: Atoms to Supergalaxies 00:06
Using an instrument called a spectroscope,
S01 • E01 Everybody expected us to fail, - Secrets of Size: Atoms to Supergalaxies 00:06
Everybody expected us to fail,
S01 • E02 Now, there's a lot of science here, so I'll take you through gently. - Secrets of Size: Atoms to Supergalaxies 00:05
Now, there's a lot of science here, so I'll take y...
S01 • E01 Each stubbornly believed that they could somehow overturn - Secrets of Size: Atoms to Supergalaxies 00:11
Each stubbornly believed that they could somehow overturn
S01 • E02 Here's the spectrum, - Secrets of Size: Atoms to Supergalaxies 00:06
Here's the spectrum,
S01 • E02 And here it is again in all the colours of the spectrum. - Secrets of Size: Atoms to Supergalaxies 00:05
And here it is again in all the colours of the spectrum.
S01 • E02 Now, this wiggly line here is the intensity of the light - Secrets of Size: Atoms to Supergalaxies 00:10
Now, this wiggly line here is the intensity of the light
S01 • E01 Was it a big challenge, then, to persuade the science world - Secrets of Size: Atoms to Supergalaxies 00:11
Was it a big challenge, then, to persuade the science world
S01 • E02 These dips here are signatures of particular elements in Andromeda. - Secrets of Size: Atoms to Supergalaxies 00:05
These dips here are signatures of particular elements in And...
S01 • E01 The science world, at that time, had essentially given up - Secrets of Size: Atoms to Supergalaxies 00:08
The science world, at that time, had essentially given up
S01 • E02 And this big one here is the important one, - Secrets of Size: Atoms to Supergalaxies 00:06
And this big one here is the important one,
S01 • E01 They decided that hardware aberration correction - Secrets of Size: Atoms to Supergalaxies 00:10
They decided that hardware aberration correction