The Cepheid variables assisted this man's discovery that the Andromeda Galaxy is distinct from the Milky Way.
The Cepheid variables assisted this man's discovery that the Andromeda Galaxy is distinct from the Milky Way. The inverse of this scientist's namesake constant gives the age of the universe, and his related law notes that a galaxy's velocity away from Earth is proportional to its distance from Earth. He's famous now for a namesake instrument that produced the Ultra Deep Field (*) image and suffered spherical aberration due to a flawed mirror. Name this astronomer, the namesake of a famous Space Telescope.
The Cepheid variables assisted this man's discovery that the Andromeda Galaxy is distinct from the Milky Way.
Edwin {Hubble}