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philra

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philra

Age of the universe

If the universe is 14 billion years old and the big bang occurred at a singularity. How come we are now seeing light from stars and galaxies that has taken 14 billion years to reach us. I know that...
11:20 Fri 23rd Nov 20128 answers, last by modeller 15:33 Sat 19th Jan 2013
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philra

starlight bent by gravitational fields

Is it possible that we are seeing the same stars or galaxies at different points in the sky and at different ages because some light from the star has reached us direct without any gravitational...
11:00 Sat 17th Nov 20125 answers, last by jomifl 13:23 Tue 20th Nov 2012

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