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)
“I put the gold star up in the front window
beside the flag. Alterations is what I know
and what I did: hems, gussets and seams.”
—Anne Sexton (1928–1974)