[Tokolosh]

Originally Posted by 5Against1

The concept of a light year is perhaps too much for the average Joe to handle. Even if a life form could exist in an extremely harsh (to us) environment and had an incredible lifespan it could take "forever" to get here. 186,000 miles per second comes out to about 5,850,000,000,000 miles per year. So if an alien were, say, 15,000 light years away...just do the math, it's not happening.

 

Wormholes = time machines.