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One light-year is the distance light travels in one year. This distance is equal to 9.461 × 10^15 m. After the sun, the star nearest to Earth is Alpha Centauri, which is about 4.35 light-years from Earth. Express this distance in

a. megameters.

b. picometers.

 Aug 14, 2015

Best Answer 

 #1
avatar+1315 
+5

 

 

 

One lightyear is

9.4542549555E27 picometers

or

9,454,254,955.5 megameters

 

Distance to Alpha Centauri is

4.1126009056e+28 picometers

or

41,126,009,056 megameters

BTW Proxima Centauri is the cloest star to our sun. It is 4.2 light years.

 Aug 14, 2015
 #1
avatar+1315 
+5
Best Answer

 

 

 

One lightyear is

9.4542549555E27 picometers

or

9,454,254,955.5 megameters

 

Distance to Alpha Centauri is

4.1126009056e+28 picometers

or

41,126,009,056 megameters

BTW Proxima Centauri is the cloest star to our sun. It is 4.2 light years.

Dragonlance Aug 14, 2015

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