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Chemistry 13 Online
OpenStudy (vegan555):

The nearest star is Alpha Centauri, at a distance of 4.3 light-years from Earth. Alight-year is the distance that light travels in one year (365 days). How far away, in kilometers, is Alpha Centauri from Earth?

OpenStudy (aaronq):

Convert years to seconds, 4.3 years = 4.1*365 days/year*24 hr/day*60 min/hr*60 sec/min then multiply by the speed of light, 299 792.458 km/s

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