OBAFGKM

The basic mnenomic for stellar types.

I was telling a woman about this today, and she wanted to know why the
stellar types have the letters they do.

I was stumped.

Anyone know how the types of stars were assigned their letters?

Mark

---
August 16, 2009: TAC Web Page Updated http://observers.org/TAC.cgi/Announcements/
Star Party! CalStar: Sept 17-20: http://www.observers.org/CalStar
TAC mailing list - to join, manage, or leave: http://nine.pairlist.net/mailman/listinfo/tac