List of mnemonics for star classification

The following is a list of mnemonics for stellar classification. Stars are classified as O, B, A, F, G, K, M, and sometimes R, N, S, C, L and T depending on their size and composition. The classifications R, N, S and C are given to stars with high carbon content and L and T are given to stars that are so small they do not generate enough heat to begin nuclear fusion. These "unusual" classifications are usually not included in mnemonics.

  • Oh Be A Fine Girl, Kiss Me Right Now Sweetie
  • Oh Be A Fine Girl, Kiss Me Right Now! *SLAP* (variation of the above)
  • Only Beer And Fine Grass Keep My Rattled Nerves Sane
  • Our Brother, A Footsoldier, Got Killed Monday
  • Oh Big And Ferocious Gorilla, Kill My Roommate Now.
  • Only Bored Astronomers Find Gratification Knowing Mnemonics
  • Only Boys Advocating Feminism Get Kissed Meaningfully
  • Only Big Astronomy Federal Grants Keep Money. Research Needs Support!
  • Out Back A Friend Grows Killer Marijuana
  • Oiled Breasts Are For Giving Kinky Massages
  • Obviously Bill Always Felt Good Kissing Monica
  • Officially, Bill Always Felt Guilty Kissing Monica Lewinsky Tenderly
  • Oh Boy An F-Grade Kills Me
  • Oven Baked Ants Fried Gently Keep Moist

This mnemonic lists the stellar classifications in reverse order:

  • Mary Killed God For Atrocious Body Odor

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