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Re: Wormholes

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Posted by Jeff Gerard/">Jeff Gerard on March 15, 1999 19:11:44 UTC

: Correct me if i am wrong, but a wormhole is a black : hole that's connected to a white hole, right?

Maybe. Wormholes are "tunnels" through space-time via the fourth dimension. Since they're theoretical, they may connect black and white holes, but maybe not. They connect two points: whether those points need to be between black and white holes is debatable.

: Has anyone ever seen a white hole or suspect where one : might exist, or are they theoretical objects?

Neither white holes nor wormholes have ever been observed, and they are theoretical. However, keep in mind that the same was true with black holes: Scientists had believed that they existed, but had no proof until 1994(?), when the Hubble space telescope discovered them. So perhaps we're just looking in the wrong places.

: A proposed theory, is if we can ever find one, we can : possibly fly through it and travel to another point in : time or space with it, but is there any theoretical way : to get back to your point of origin? Since a white : hole is the complete opposite of a black hole, so : nothing can enter it, is a wormhole a one way trip?

Theoretically: maybe. Realistically: no. General relativity says that space-time curves via the fourth dimension (which is how wormholes would be created). If you could get the space to stay curved in the way it was when you arrived and could keep the wormhole (which may even require the use of negative energy - another thing totally theoretical), then it would probably be possible to return to your original time and location. Of course, that's all in theory: we'd have to make HUGE breakthroughs and discoveries in physics to be able to: 1) find or make a wormhole, 2) travel through it, 3) come out alive and not disassembled into millions of quarks, and 4) return to the original time and place. Wow!

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