Question 203362This question is from textbook Mathematics For Technical trades
: The brightest star in our sky is Sirius,which is 51,700,000,000,000 miles away from earth.The speed of light is approximatley 299,329.8 kilometers per second. Determine how long it will take light leaving earth to reach Sirius. Round the answer to the nearest tenth of a year. Use 365 days = 1 year.
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This question is from textbook Mathematics For Technical trades
Answer by ankor@dixie-net.com(22740)   (Show Source):
You can put this solution on YOUR website! The brightest star in our sky is Sirius,which is 51,700,000,000,000 miles away from earth.The speed of light is approximatley 299,329.8 kilometers per second. Determine how long it will take light leaving earth to reach Sirius. Round the answer to the nearest tenth of a year. Use 365 days = 1 year.
:
Use miles for the speed of light, namely 186,282 mi/sec
;
 = 277,536,208 light sec
:
Convert to yrs
 = 8.8 light yrs
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