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There are 3 basic cycles in astronomy
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Ancient Skies

There are 3 basiccycles in astronomy if you're outsidelooking up at the sky with your...

There are 3 basic
cycles in astronomy if you're outside
looking up at the sky with your naked eye

Full Transcript

00:00:01.000 --> 00:00:03.364
There are 3 basic cycles in astronomy
00:00:03.464 --> 00:00:05.162
if you're outside looking up at the sky
00:00:05.262 --> 00:00:06.428
with your naked eye.
Duration
6 seconds
Views
23
Timestamp in Movie
00:14:04
Uploaded
Jun 13, 2025
Season
1
Episode
1
Genres
documentary, history

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Movie Summary

With breath-taking CGI, beautiful landscape footage and some of the world's most important astronomical artefacts, Ancient Skies looks at the cosmos through the eyes of our ancestors, and our changing views of the cosmos throughou...
S01 • E01 One of them is the day-night cycle... 24 hours. - Ancient Skies 00:04
One of them is the day-night cycle... 24 hours.
S01 • E01 The next one is how long it takes - Ancient Skies 00:04
The next one is how long it takes
S01 • E01 It goes through a cycle of phases from new to half full - Ancient Skies 00:08
It goes through a cycle of phases from new to half full
S01 • E01 So, that gives you a way of measuring something - Ancient Skies 00:04
So, that gives you a way of measuring something
S01 • E01 There's evidence that we were counting time - Ancient Skies 00:21
There's evidence that we were counting time
S01 • E01 The third one is how long it takes the earth - Ancient Skies 00:05
The third one is how long it takes the earth
S01 • E01 Using the sun, we established - Ancient Skies 00:09
Using the sun, we established
S01 • E01 If you set up a distant landmark - Ancient Skies 00:12
If you set up a distant landmark
S01 • E01 Then, when the sun crosses the horizon the next day, - Ancient Skies 00:06
Then, when the sun crosses the horizon the next day,
S01 • E01 And right when it rises - Ancient Skies 00:07
And right when it rises
S01 • E01 All over the world, some of the oldest monuments - Ancient Skies 00:08
All over the world, some of the oldest monuments
S01 • E01 The earliest examples are markers on the landscape. - Ancient Skies 00:04
The earliest examples are markers on the landscape.
S01 • E01 Like Wurdi Youang, erected by aboriginal peoples in Australia - Ancient Skies 00:07
Like Wurdi Youang, erected by aboriginal peoples in Australi...
S01 • E01 A series of pits dug in the ground - Ancient Skies 00:06
A series of pits dug in the ground
S01 • E01 And the 7,000-year-old stone circle - Ancient Skies 00:05
And the 7,000-year-old stone circle
S01 • E01 Over centuries, these simple markers - Ancient Skies 00:06
Over centuries, these simple markers
S01 • E01 Stonehenge is perched at the top of Salisbury plain - Ancient Skies 00:06
Stonehenge is perched at the top of Salisbury plain
S01 • E01 Building this monument 5,000 years ago was a herculean task. - Ancient Skies 00:06
Building this monument 5,000 years ago was a herculean task.
S01 • E01 The largest stones at Stonehenge - Ancient Skies 00:09
The largest stones at Stonehenge
S01 • E01 Some of them were brought by ancient Britons - Ancient Skies 00:09
Some of them were brought by ancient Britons