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sammie
 5 years ago
astronomers use a light year to measure distance. light year is distance light travels in a year. speed of light is 300,000 km/sec. How long is 1 light year in kilometers?
sammie
 5 years ago
astronomers use a light year to measure distance. light year is distance light travels in a year. speed of light is 300,000 km/sec. How long is 1 light year in kilometers?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0all right, looks like you need to figure out how many seconds are in a year

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0so, 60 seconds in 1 minute, 60 minutes in 1 hour, 24 hours in 1 day, ~365 days in 1 year...

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0is how many seconds there, now if light travels 300,000km in 1 second, then light will travel x km in 60*60*24*365 seconds

Sammie
 5 years ago
Best ResponseYou've already chosen the best response.0on that on do i need to multiply the seconds part by 300,000?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0so you have 300,000km/sec * x sec to obtain only km

Sammie
 5 years ago
Best ResponseYou've already chosen the best response.0then that will give me my km?

Sammie
 5 years ago
Best ResponseYou've already chosen the best response.0I have another question too. using the last question, the nearest star to the earth is 4.34 light years from earth. how far is that in km?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ok so you know how many km are in 1 light year

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0you just found that with 300,000 * (60*60*24*365)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0so you a found value with km/light year

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0so you can multiply a value like (x light years) * ( y km/light year ) and obtain only km, the units, light years, cancel out

Sammie
 5 years ago
Best ResponseYou've already chosen the best response.0okay i think i finally am starting to get it
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