February 21, 2017

Homework Help: physics

Posted by rick on Monday, March 3, 2008 at 8:41pm.

In astronomy, distances are often expressed in light-years. One light-year is the distance traveled by light in one year. The distance to Alpha Centauri, the closest star other than our own sun that can be seen by the naked eye, is 4.7 light-years. Express this distance in meters.

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