Question
While Sirius, the Dog Star, is type AO, a start just a step hotter than M0 is a related what?
A.M1
B.K9
C.F5
D.AOK
E.B9
B. K9
K9 is followed by M0 in the temperature/spectral classification of stars. K's are hotter than M's, and K9 is the coolest of the K's
A.M1
B.K9
C.F5
D.AOK
E.B9
B. K9
K9 is followed by M0 in the temperature/spectral classification of stars. K's are hotter than M's, and K9 is the coolest of the K's