There needs to be a discussion of event horizons produced by the expansion of spacetime. As it is, the article is too specific.
When two objects expand faster than the speed of light relative to each other
Hmm? I thought this was impossible. All speed is relative, and nothing travels faster than light. Am I missing something? Evercat 22:46 16 May 2003 (UTC)
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... to the force applied. This is why spinning gyro tops will not simply fall over, but start precessing around. (The precessing motion is perpendicular to the torque ...