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"expanding universe", type: Website
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Stephen Hawking's Universe: explains some of the most important ideas and developments in human understanding of the universe. The Web pages include original essays in cosmology, original ...
A simple article from NASA which tries to show how big the Universe is and how long it would take to travel between stars!
Read how satellite observations of cosmic microwave background can tell us a lot about how the universe formed.
This interactive page allows you to explore the universe and how we measure size, from the incredibly small to the incomprehensibly big.
An animated guide to the origin of the universe from the BBC.
Cool interactive where you compare objects in the universe to common items like cookies, beach balls and Brussels sprouts.
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!
The Cosmic Microwave Background, leftover light from the big bang, carries a wealth of information about the universe — for those who can read it.
Showing 11 - 20 of 102