No one can ascertain the answer to this question with absolute certainty due the immensity of the universe and fact that light from vastly distant galaxies has not even had time to reach the Earth. The reason for this is that even though light travels at approximately 300,000 kilometers per second in a vacuum it will still take billions upon billions of years for it to travel from the outer limits of the universe across the seemingly infinite distance to planet Earth. Yet, in 2003 Australian astronomers set out to answer this very question to the best of their abilities. They used two of t...
More..Josh Gough
Member since: January 2007
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