Extended Spectral Types
A number of new spectral types have been taken into use from newly discovered types of stars.
Read more about this topic: Stellar Classification
Famous quotes containing the words extended, spectral and/or types:
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—Henry David Thoreau (1817–1862)
“How does one kill fear, I wonder? How do you shoot a spectre through the heart, slash off its spectral head, take it by its spectral throat?”
—Joseph Conrad (1857–1924)
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—Robertson Davies (b. 1913)