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Gravity
Cosmology is intimately involved with gravity, about which we may have a lot of instincts but
not much accurate knowledge. Here's where we finally get down to the hard part. The first trick is to
understand that the only interaction that really matters in today's Universe: GRAVITY.
To do it right, of course, we must formulate a relativistic theory, since all those distant stars
are moving away from us at velocities approaching the speed of light.
Enter Albert Einstein, again.
Jess H. Brewer -
Last modified: Mon Nov 23 16:33:35 PST 2015