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Expanding Universe

An animation of the movement of galaxies as the universe expands.

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The death of the universe

A great video from TED-Ed on the different ways the universe could end.

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Hits: 126

Sizing up the Universe

Cool interactive where you compare objects in the universe to common items like cookies, beach balls and Brussels sprouts.

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Hits: 260

Cool Cosmos - Revealing the Universe in All of its Light!

Wonderful resource about observing the universe through radio,infra-red, visible, ultra-violet and gamma-rays.

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The Elemental Composition of the Universe

What is our universe made of, and why?

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Hits: 1330

Is The Universe Closed?

Does the theory of relativity imply a closed finite universe? This site tries to explain the theories. Very text heavy!

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Hits: 3493

Uranium reveals the age of the universe

An article from Physicsworld: Astronomers have spotted for the first time the fingerprint of uranium-138 in an ancient star - and have used it to make the most reliable guess yet of the age of the ...

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Multiwavelength Universe: Online Activity

Test your knowledge of how the universe looks in different wavelengths in this online game.

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Hits: 2970

New View of Primordial Universe Confirms Sudden "Inflation" after Big Bang

New evidence for inflation, a period of rapid expansion after the start of the universe, has been found in the cosmic microwave background.

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Why Does Our Universe Have Three Dimensions?

A brief waltz through string theory to answer the question why our universe has three dimensions

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Showing 11 - 20 of 105