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How old is the universe?

I’m reading a fascinating book of cosmology called “You Are Here” and written by Christopher Potter. It raises some challenging topics.
For instance, how old is the universe? Actually we have a reliable and precise answer to this question. It is 13.73 billion years, plus or minus 120 million years.

This entry was posted on Wednesday, December 23rd, 2009 at 8:06 am and is filed under Science & technology. You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed.

4 Comments

Nick
December 23rd, 2009 at 12:26 pm
Katie Melua on the age of the universe: 12 or 13.7 billion light years? Very cool!
Roger
December 23rd, 2009 at 1:10 pm
It’s a lovely song.
vinod v. samarth
December 26th, 2009 at 10:49 am
Time cannot be the parameter for the universe. we Indians believe that universe is (ananta), means it is startless as well as endless.
Thanks!
Nick
December 26th, 2009 at 5:38 pm
What evidence do you have for this belief that the universe is ananta?