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Home Regent Questions August 2008 exam Astronomy New York State Earth Science August 2008 - Question 01
New York State Earth Science August 2008 - Question 01 PDF Print E-mail
Tuesday, 04 August 2009 02:11
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Correct Answer: Option 1 – the universe is at least twice as old as our solar system

The origin of universe is validated and supported by the Big Bang theory, which is believed to have occurred at least 12 billion years ago.

The Solar System is thought to be at least 4.5 billion years old. Astronomers estimate the age of the universe in two ways

  • By observing the oldest stars
  • By computing the rate of expansion of the universe and extrapolating back to the Big Bang
Based on these arguments, the rest 3 options are incorrect.
Last Updated on Friday, 14 August 2009 16:16
 

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