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Using an instrument called a spectroscope
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Secrets of Size: Atoms to Supergalaxies

Using an instrumentcalled a spectroscope, they were able to recordits spectrum

Using an instrument
called a spectroscope, they were able to record
its spectrum

Full Transcript

00:00:01.000 --> 00:00:03.599
Using an instrument called a spectroscope,
00:00:03.006 --> 00:00:06.319
they were able to record its spectrum.
Duration
6 seconds
Views
14
Timestamp in Movie
00:41:32
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 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
S01 • E02 So you see this dark line here, - Secrets of Size: Atoms to Supergalaxies 00:06
So you see this dark line here,
S01 • E02 Now, if Andromeda wasn't moving towards us or away from us, - Secrets of Size: Atoms to Supergalaxies 00:12
Now, if Andromeda wasn't moving towards us or away from...
S01 • E01 That it was impossible. We had three different people. - Secrets of Size: Atoms to Supergalaxies 00:05
That it was impossible. We had three different people.
S01 • E01 Theoretician, experimentalist and material scientists, - Secrets of Size: Atoms to Supergalaxies 00:08
Theoretician, experimentalist and material scientists,
S01 • E02 We should see that dip between these two vertical lines. - Secrets of Size: Atoms to Supergalaxies 00:05
We should see that dip between these two vertical lines.
S01 • E01 Their approach used multiple electron magnets, - Secrets of Size: Atoms to Supergalaxies 00:11
Their approach used multiple electron magnets,
S01 • E02 But, in fact, you can see it shifted slightly to the left - Secrets of Size: Atoms to Supergalaxies 00:08
But, in fact, you can see it shifted slightly to the left
S01 • E02 That means Andromeda's light is blueshifted, - Secrets of Size: Atoms to Supergalaxies 00:08
That means Andromeda's light is blueshifted,
S01 • E01 Then a second lens reformed the image, - Secrets of Size: Atoms to Supergalaxies 00:08
Then a second lens reformed the image,