Monday

March 30, 2015

March 30, 2015

Posted by **Lauren** on Sunday, April 19, 2009 at 3:22pm.

The star Sirius is 4.3 light years from Earth. Determine the distance to Sirius in km and in astronomical units.

THe moon's average distance from Earth is about 380,000 km. How long does it take moonlight to reach Earth? HELP!!!!!!

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