Spectral Types
The following illustration represents star classes with the colors very close to those actually perceived by the human eye. The relative sizes are for main-sequence or "dwarf" stars.
Read more about this topic: Stellar Classification
Famous quotes containing the words spectral and/or types:
“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)
“If there is nothing new on the earth, still the traveler always has a resource in the skies. They are constantly turning a new page to view. The wind sets the types on this blue ground, and the inquiring may always read a new truth there.”
—Henry David Thoreau (1817–1862)