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Nobel prize for physics: A theory of universe

Nobel prize for physics: A theory of universe

Congratulations to Baltimorean Adam Riess, who was named today as a co-winner of the Nobel Prize for physics. Riess, a Johns Hopkins University professor, was among the scientists who discovered that the universe is expanding at an ever-accelerating rate.

If you want to read more about the theories expounded by Riess and others, check out "The 4 Percent Universe" by Richard Panek. Here's an excerpt from an Amazon Q&A with the author:

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Q: What is the "four percent universe"?

Panek: It's the universe we've always known, the one that consists of everything we see: you, me, Earth, Sun, planets, stars, galaxies.

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Q: What's the other 96 percent?

Panek: The stuff we can't see in any form whatsoever. At a loss for words, astronomers have given these missing ingredients the names "dark matter" and "dark energy."

Q: What are dark matter and dark energy?

Panek: If you find out, book yourself a flight to Stockholm.

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