Kinds Of Stars
Stars given a disignation consisting of a letter and number according to the nature of their
spectural lines which corresponds roughly to surface temperature .
The classes are : O,B,A,F,G,K and M
O stars are the hottest
M stars are the collest
The numbers are simply subdivisions of the major classes
The classes are oodly sequenced because they were assigned long ago before we undrer stood their relationship to temperature.
O,B stars are rare but very bright.
M stars are numerous but dim
The sun is G2 star
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Last Modified : 5 Sep. 2001
Created By#C0115361 Team