How many kilometers make a light year? (isn't 12.6 billion light years too far off ?)
How did they manage to calculate when the Big Bang occurred ?? (isn't 13.7 billion years a teeny weeny bit in the past)
News reports say that the farthest explosion to date occurred on Sep 04 and the scientists were able to detect it only after a couple of days.
Why?? ... because the light from the explosion took so long to reach the Earth.
How amazingly weird...read on!
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