How to calculate the light-years and convert to miles

Feb 8th, 2014
Price: $5 USD

Question description

1. If a galaxy is 1,000 Mpc away, how fast is it receding from us?

2. The Milky Way has a radius of approximately 100,000 light years. How many miles is that? How long would it take you to travel across our galaxy if you were traveling at 50% the speed of light (be sure to show your work for full credit)?

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(Top Tutor) Daniel C.
School: Rice University

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Feb 9th, 2014
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