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« Comet Passing Through Pegasus Square Is Breaking Apart | Main | NASA: Back To The Future, Back To The Drawing Board »

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jsmith

"Steinhardt and Turok's cyclic model of the Universe, it expands and contracts repeatedly over timescales that make the 13.7 billion years that have passed since the Big Bang seem a mere blink."

Where have I heard that tune before?

http://www.cambridge.org/catalogue/catalogue.asp?isbn=0521019265

shirt

You might want to read Paul Anderson's "Tau Zero" which speculates about this and is a fairly good read as well.

Elaine Meinel Supkis

http://en.wikipedia.org/wiki/Poul_Anderson---Poul Anderson!


He lived not far from me in California. We used to have such fun. He was a most wonderful, magical, amazing person. Get him drunk and pick up a sword and have a pas de deux.


Heh. He loved fighting and loved fighting fighting wenches dressed provocatively. Which was my specialty way back when it was a good thing (heh, no more).


I really miss him.

jsmith

We can speculate all we want, but until we get a better grip on a critical piece of data, anything in that area will remain... speculative.

What's missing is a value for the matter density of the universe. Greater than some critical value - everything collapses. Less - everything doesn't collapse. Currently, we just don't know.

"He loved fighting and loved fighting fighting wenches dressed provocatively. Which was my specialty way back when it was a good thing (heh, no more)."

What - dressing provocatively? C'mon, Elaine - I bet you've still got it!


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Our dear planet has been spared any horrors like this destruction because we are wanderers who have been captured at the outer edges of the Milky Way and are slowly moving into increasingly denser territory as we spiral, too.

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