Our Sun is classified as a G2 star. Vega, which is 26.4 light-years away, is a type A0, and Barnards star is a type M5. How do these relate to each other in temperature?

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    Vega is cooler than the Sun, which in turn is cooler than Barnards star..
     The Sun is hotter than Vega, which in turn is hotter than Barnards star..
     Vega is hotter than the Sun, which in turn is hotter than Barnards star..
     The Sun is cooler than Vega, which in turn is cooler than Barnards star..
     To answer this question, you would need to know the distance to Barnards star as well..
asked Sep 20, 2012 in Astronomy by anonymous
    

1 Answer

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Vega is hotter than the Sun, which in turn is hotter than Barnards star..
answered Sep 22, 2012 by SkyStar ~Expert~ (2,855 points)

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