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Stars

Trick brain teasers appear difficult at first, but they have a trick that makes them really easy.

 

Puzzle ID:#1575
Fun:*** (2.69)
Difficulty:* (1.04)
Category:Trick
Submitted By:sam1234*

 

 

 



Sirius is one of the closest stars to the earth. It is 8.7 light-years away but is moving towards us at 8km per second. Wolf is another of our closest stars and is 7.7 light-years away. It is moving AWAY from us at 13km per second. When Wolf has travelled one light-year, what will be the closest star to the earth?




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