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Cosmology

This category concerns the astronomical study of the origin and structure of the universe as a whole, as well as matter and phenomena between galaxies, and would include topics like the Big Bang and superclusters of galaxies.

There are 18 videos in this category and 52 videos in 6 subcategories.

Category Videos
Not Right For WatchKnowLearn
Ages: 15 - 18
1455 Views:
Exploring the Large-Scale Nature of the Universe
From YouTube, produced by UCTelevision
The evidence is that the universe is close to uniform; it has no observable center or edges; and that it is expanding. Cosmologist James Peebles, professor emeritus at Princeton University explores the histories of these ideas and the present state o... [more]
May 20, 2011 at 10:55 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
884 Views:
Why is it Dark at Night?
From YouTube, produced by minute physics
Have you ever wondered why you look up and see a dark sky at night? (03:53)
December 28, 2012 at 11:58 AM
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Not Right For WatchKnowLearn
Ages: 13 - 18
798 Views:
Dark Matter
From YouTube, produced by scishow
Physicists estimate that dark matter accounts for about twenty three percent of the known universe - the only problem is that no one really knows what it is....(03:06)
December 30, 2012 at 04:01 PM
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Not Right For WatchKnowLearn
Ages: 13 - 18
262 Views:
10 Things You have Heard and Re-told but are Completely False - Neil deGrasse Tyson
From youtube.com, produced by Cosmology Today™
In an amusing lecture, Mr. Tyson discusses ten misconceptions. (Dr. Tyson has a problem with his microscope during the beginning minutes of the video.) (10:44) eGrasse Tyson explains 10 things that we have heard all our life and re-told but are compl... [more]
July 8, 2016 at 03:23 PM
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Not Right For WatchKnowLearn
Ages: 13 - 18
882 Views:
NASA | Fermi Explores the Early Universe
From YouTube, produced by NASA
This animation tracks several gamma rays through space and time, from their emission in the jet of a distant blazar to their arrival in Fermi's Large Area Telescope (LAT). During their journey, the number of randomly moving ultraviolet and optical ph... [more]
November 4, 2012 at 10:32 AM
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Not Right For WatchKnowLearn
Ages: 12 - 18
2072 Views:
History of the Universe Made Easy (Part 2)
From YouTube
This concludes the two parts on the History of the Universe, showing how our universe, solar system and planet Earth formed through natural and predictable processes. NOTE: Religious references. (09:09) (Music: Rodrigo's 'Concierto de Aranjuez' adagi... [more]
April 29, 2010 at 08:59 PM
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Not Right For WatchKnowLearn
Ages: 14 - 18
848 Views:
Does the Universe Have a Purpose? by Neil deGrasse Tyson
From YouTube, produced by minute physics
Neil deGrasse Tyson was asked by the Templeton Foundation to answer the question "Does the Universe Have a Purpose". Then he read his answer aloud and I drew some pictures for it. (02:35)
November 27, 2012 at 09:29 PM
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Not Right For WatchKnowLearn
Ages: 10 - 18
1704 Views:
Pale Blue Dot
From YouTube
This is Carl Sagan at his best. This famous speech humbles the listener. We are perched on a 'lonely speck'. (03:32)
April 10, 2010 at 10:34 PM
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Not Right For WatchKnowLearn
Ages: 12 - 18
2230 Views:
The Drake Equation
From YouTube
Carl Sagan explains the Drake Equation. The Drake equation is an equation used to estimate the number of detectable extraterrestrial  civilizations in the Milky Way Galaxy. It is used in the fields of exobiology and the search for extraterrestrial i... [more]
Found by cphillips in Cosmology
November 29, 2010 at 01:08 AM
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Not Right For WatchKnowLearn
Ages: 12 - 18
1324 Views:
Stephen Hawking: Asking Big Questions About the Universe
From YouTube, produced by TEDS
Professor Stephen Hawking, with the help of computer, asks some Big Questions about the universe -- How did the universe begin? (Mr. Hawking can only communicate with the aid of computer.) (10:13)
February 13, 2010 at 08:15 PM
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