Which kind of stars are the best candidates if you are searching for life that could exist on the surfaces of extra-solar planets?

Question

Which kind of stars are the best candidates if you are searching for life that could exist on the surfaces of extra-solar planets?


A. Black Holes
B. Giants and Super Giants
C. O, B & A stars
D. Neutron stars
E. F, G, K & M stars

Answer 1

Assuming you want a star similar to our sun, which is spectral type G2V (yellow dwarf, main sequence), I would choose answer (E), since it is the only answer with G stars.  Take a look at his link:

 

http://www.universetoday.com/16350/what-kind-of-star-is-the-sun/