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What is our universe made of, and why?
Does the theory of relativity imply a closed finite universe? This site tries to explain the theories. Very text heavy!
The Cosmic Microwave Background, leftover light from the big bang, carries a wealth of information about the universe — for those who can read it.
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 ...
Test your knowledge of how the universe looks in different wavelengths in this online game.
New evidence for inflation, a period of rapid expansion after the start of the universe, has been found in the cosmic microwave background.
A brief waltz through string theory to answer the question why our universe has three dimensions
The future of our universe depends a lot on what dark energy is doing. Read this in-depth article examining what will happen and scientists are doing to try and figure it all out.
The Electronic Universe contains materials on sciences from all fields, from physics to geology, as well as 'Javalab' - a collection of JAVA physics applets designed for use as a virtual laboratory.
How many galaxies are there in the universe? Nice infographic with some cool facts about our universe, the solar system and outer space.
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