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And so that's why now when we look at the sky
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Brian Cox: Life Of A Universe

And so that's why nowwhen we look at the sky and we see that two different partsof the...

And so that's why now
when we look at the sky and we see that two different parts
of the universe that should never have been
in contact with each other are the same temperature, it's because you can dial back
the expansion and find that they were
never in contact, but then there's this extra
secret time at the beginning where they did communicate, and then they just were, sort of,
pulled apart so quickly that, you know,
we can only infer that that happened by the fact that they must have been
in contact at some point

Full Transcript

00:00:01.000 --> 00:00:03.052
And so that's why now when we look at the sky
00:00:03.052 --> 00:00:06.036
and we see that two different parts of the universe
00:00:06.036 --> 00:00:08.064
that should never have been in contact with each other
00:00:08.064 --> 00:00:10.000
are the same temperature,
00:00:10.000 --> 00:00:12.044
it's because you can dial back the expansion
00:00:12.044 --> 00:00:14.084
and find that they were never in contact,
00:00:14.084 --> 00:00:17.002
but then there's this extra secret time at the beginning
00:00:17.002 --> 00:00:18.092
where they did communicate,
00:00:18.092 --> 00:00:21.056
and then they just were, sort of, pulled apart so quickly
00:00:21.056 --> 00:00:24.096
that, you know, we can only infer that that happened
00:00:24.096 --> 00:00:28.008
by the fact that they must have been in contact at some point.
Duration
29 seconds
Views
31
Timestamp in Movie
00:15:14
Uploaded
Jul 13, 2025
Season
1
Episode
2
Genres

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Movie Summary

Professor Brian Cox on tour in Australia talks about the life of our universe to scientists and to space-loving audiences.