Timeline of Knowledge About Galaxies

Famous quotes containing the words knowledge and/or galaxies:

    A little knowledge that acts is worth infinitely more than much knowledge that is idle.
    Kahlil Gibran (1883–1931)

    Don’t you see what’s at stake here? The ultimate aim of all science—to penetrate the unknown. Do you realize we know less about the earth we live on than about the stars and the galaxies of outer space? The greatest mystery is right here, right under our feet.
    Walter Reisch (1903–1963)