Variable Star Classification
Stars that exhibit change in luminosity are variable stars. There is a variable star classification scheme that encompasses existing stars that are classified in the spectra classification.
Read more about this topic: Stellar Classification
Famous quotes containing the words variable and/or star:
“There is not so variable a thing in nature as a lady’s head-dress.”
—Joseph Addison (1672–1719)
“The eager fate which carried thee
Took the largest part of me:
For this losing is true dying;
This is lordly man’s down-lying,
This his slow but sure reclining,
Star by star his world resigning.”
—Ralph Waldo Emerson (1803–1882)