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# Calculating Light Speed

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### Calculating Light Speed

1. 1. C A L C U L A T I N G T H E S P E E D O F L I G H T
2. 2. 186,000 miles per second
3. 3. 186,000 miles per second x 60 seconds _________
4. 4. 186,000 miles per second x 60 seconds _________ 11,160,000 miles per minute
5. 5. 186,000 miles per second x 60 seconds _________ 11,160,000 miles per minute x 60 minutes __________
6. 6. 186,000 miles per second x 60 seconds _________ 11,160,000 miles per minute x 60 minutes __________ 669,660,000 miles per hour
7. 7. 186,000 miles per second x 60 seconds _________ 11,160,000 miles per minute x 60 minutes __________ 669,660,000 miles per hour x 24 hours ____________
8. 8. 186,000 miles per second x 60 seconds _________ 11,160,000 miles per minute x 60 minutes __________ 669,660,000 miles per hour x 24 hours ____________ 16,070,400,000 miles per day
9. 9. 186,000 miles per second x 60 seconds _________ 11,160,000 miles per minute x 60 minutes __________ 669,660,000 miles per hour x 24 hours ____________ 16,070,400,000 miles per day x 365 days _______________
10. 10. 186,000 miles per second x 60 seconds _________ 11,160,000 miles per minute x 60 minutes __________ 669,660,000 miles per hour x 24 hours ____________ 16,070,400,000 miles per day x 365 days _______________ 5,865,696,000,000 miles per year, or
11. 11. 186,000 miles per second x 60 seconds _________ 11,160,000 miles per minute x 60 minutes __________ 669,660,000 miles per hour x 24 hours ____________ 16,070,400,000 miles per day x 365 days _______________ 5,865,696,000,000 miles per year, or 1 TRILLION MILES
12. 12. 186,000 miles per second x 60 seconds _________ 11,160,000 miles per minute x 60 minutes __________ 669,660,000 miles per hour x 24 hours ____________ 16,070,400,000 miles per day x 365 days _______________ 5,865,696,000,000 miles per year, or 1 TRILLION MILES = 1 LIGHT YEAR
13. 13. Astronomical Distances
14. 14. Sun 8.5 light minutes Astronomical Distances
15. 15. Sun 8.5 light minutes Proxima Centauri 4.2 light years Astronomical Distances
16. 16. Sun 8.5 light minutes Proxima Centauri 4.2 light years Milky Way Galaxy 100,000 light years across 3,000 light years thick Astronomical Distances
17. 17. Sun 8.5 light minutes Proxima Centauri 4.2 light years Milky Way Galaxy 100,000 light years across 3,000 light years thick Universe (observable) 10 billion light years in radius Astronomical Distances