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

[Sun-Mercury-Venus-Earth-Mars-Jupiter-Saturn-Uranus-Neptune-Pluto]
[Source-About Team #C0115361-Comparison Tables-Earth Gelogical-Eclipses-Kinds of stars-Lunar Eclipse-Lunar Tides-Plate Tectonics-Quiz- Planets Mythology]

Last Modified : 5 Sep. 2001
Created By#C0115361 Team