ABSTRACT
COSMOLOGY in the modern sense of quantitative study of the large-scale properties of the universe is a surprisingly recent phenomenon. The first galaxy RADIAL VELOCITY (a blueshift, as it turned out) was only measured in 1912, by Slipher
COSMOLOGY in the modern sense of quantitative study of the large-scale properties of the universe is a surprisingly recent phenomenon. The first galaxy RADIAL VELOCITY (a blueshift, as it turned out) was only measured in 1912, by Slipher