Imagine the Universe!
Close

You're close (so you have a general an idea of about how long it will take this experiment to be completed), but to get an exact time, you should go back and check your calculations again. Make sure to use all the significant digits you know in each value used to calculate the final answer, and then round to the neartest year.

Return Go back and calculate the time again

Experiment Go back to the beginning and select another experiment

Imagine the Universe is a service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Nicholas White (Director), within the Laboratory for High Energy Astrophysics at NASA's Goddard Space Flight Center.

The Imagine Team
Project Leader: Dr. Jim Lochner
All material on this site has been created and updated between 1997-2004.

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