53,387,365 Videos Watched

Age Filter: Click to Set

Embed Video
Embed Video:
URL of source video:
Simply give the URL and we will get the embed code automatically, if we support embedding from the site.

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 24 videos in this category and 26 videos in 3 subcategories.

Category Videos
Not Right For WatchKnowLearn
Ages: 12 - 18
1566 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
  • Favorites

Not Right For WatchKnowLearn
Ages: 10 - 18
1289 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'.
April 10, 2010 at 10:34 PM
  • Favorites

Not Right For WatchKnowLearn
Ages: 15 - 18
1027 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
  • Favorites

Not Right For WatchKnowLearn
Ages: 12 - 18
456 Views:
NOVA with Neil deGrasse Tyson: Where Did we Come From?
From YouTube, produced by NOVA
Nova: Science Now on PBS | "Where did we come from?" with host Neil DeGrasse Tyson explores the origin of our solar system and the start of life itself, how head lice figure in human evolution, and more. Journey back in time to the birth of our solar... [more]
November 28, 2012 at 08:10 PM
  • Favorites

Not Right For WatchKnowLearn
Ages: 10 - 18
439 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
  • Favorites

Not Right For WatchKnowLearn
Ages: 13 - 18
428 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
  • Favorites

Not Right For WatchKnowLearn
Ages: 14 - 18
408 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
  • Favorites

Not Right For WatchKnowLearn
Ages: 13 - 18
347 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
  • Favorites

Not Right For WatchKnowLearn
Ages: 12 - 18
331 Views:
Is The Universe Alive?
From YouTube
THROUGH THE WORMHOLE : As scientists peer across the galaxy, a new revelation emerges: The universe is shockingly organic. Are the secrets to the life and death of the universe hidden not in physics, but biology? Could it be that the universe is aliv... [more]
January 15, 2013 at 07:12 PM
  • Favorites

Not Right For WatchKnowLearn
Ages: 13 - 18
1421 Views:
Welcome to the Universe - II: Beyond the Sky
From YouTube, produced by Andromeda's Wake
Part II: Beyond the Sky Here we look at the origin of astronomy, and the figures involved in the rise and fall of mathematical geocentrism. Professional video. Run time 11:00.
March 24, 2009 at 08:38 PM
  • Favorites


Loading featured videos...


123 NEXT (1 - 10 of 24)
History [show]


Loading history...

Comments
Please make your comments on categories positive, and not just negative.

People work hard on educational categories, and we want to encourage them to make more!

  • Profanity (curse words), sexually suggestive remarks, and other such obviously inappropriate comments will be deleted immediately, and are grounds for immediate expulsion. Remember, children use this website.
  • Personal criticism on project forums and in video content is not allowed and will be deleted immediately. Any violations of this rule could result in expulsion from the project so please, no insults or other negative personal remarks.
  • Very harshly-worded criticism of content will also be deleted promptly. Please use your vote to express your harshest feelings. Repeated violations of this rule can result in expulsion. If you must criticize another person's hard work, then be nice about it.
If you want to comment, please sign in
Reason:  

  Cancel

Share