Comments on: The Known Universe http://www.nightsky.ie/2009/12/the-known-universe/ Astronomy for all Mon, 16 Aug 2010 10:30:08 +0000 http://wordpress.org/?v=2.9.2 hourly 1 By: Adrian Taylor http://www.nightsky.ie/2009/12/the-known-universe/comment-page-1/#comment-1190 Adrian Taylor Thu, 10 Jun 2010 13:37:51 +0000 http://www.nightsky.ie/?p=1408#comment-1190 My comment is that if the universe is 150 Billion light years in size then for it to have expanded to this size then surely it must be at least 75 Billion years old to have travelled that distance from a centre point originated big bang. That is at the speed of light and the universe is not still expanding at the speed of light is it ? My point being that the Math does not make sense. My comment is that if the universe is 150 Billion light years in size then for it to have expanded to this size then surely it must be at least 75 Billion years old to have travelled that distance from a centre point originated big bang. That is at the speed of light and the universe is not still expanding at the speed of light is it ?

My point being that the Math does not make sense.

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