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August 28, 2015

Homework Help: Math

Posted by Larry on Monday, September 15, 2008 at 12:50am.

The Andromeda Constellation is the furthest object we can see with the unaided eye. It is about 22,000,000,000,000,000 km from Earth.

Light travels in space at a speed of about 300,000 km/s. Calculate how many years light takes to reach Earth from the Andromeda Constellation?

Anyone know how I would get the answer?

Thanks

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