"The Milky Way is a most extensive stratum of stars of various sizes admits no longer of the least doubt and our sun is actually one of the heavenly bodies belonging to it as evident. I have now viewed this shining zone in almost every direction, and find it composed of stars, whose number, by the account of these gages, constantly increases and decreases in proportion to its apparent brightness to the naked eye."
Milky Way

January 1, 1970