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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 19 videos in this category and 55 videos in 6 subcategories.

Category Videos
Not Right For WatchKnowLearn
Ages: 15 - 18
1451 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
882 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
793 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
259 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) Neil deGrasse Tyson explains 10 things that we have heard all our life and re-told but ar... [more]
July 8, 2016 at 03:23 PM
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Not Right For WatchKnowLearn
Ages: 13 - 18
878 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
2065 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 (Music: Rodrigo's 'Concierto de Aranjuez' adagio -- so... [more]
April 29, 2010 at 08:59 PM
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Not Right For WatchKnowLearn
Ages: 14 - 18
844 Views:
Does the Universe Have a Purpose? feat. 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
1702 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
2226 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: 10 - 18
1590 Views:
Carl Sagan Teaching Children About the Universe
From YouTube
Carl Sagan teaches children, at his former elementary school, about the Universe and our place within it. This is a clip from The Backbone of Night. Near the end of this clip, is yet another of Carl Sagan's most profound messages: "There are in fact ... [more]
November 15, 2009 at 03:11 PM
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