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We found 14 results on physics.org and 80 results in our database of sites
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This interactive page allows you to explore the universe and how we measure size, from the incredibly small to the incomprehensibly big.
Wonderful resource about observing the universe through radio,infra-red, visible, ultra-violet and gamma-rays.
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!
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 ...
A brief waltz through string theory to answer the question why our universe has three dimensions
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.
Essay on the debate about the scale of the Universe with links to other cosmological debates.
Nicolaus Copernicus (1473 - 1543) provided a model of the universe in which the earth and all the other planets orbit around the sun and the earth acquired a daily rotation, but the sun itself was ...
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