(1893–1960), German-born American astronomer; full name Wilhelm Heinrich Walter Baade. He proved that the Andromeda galaxy was much further away than had been thought, which implied that the universe was much older and more extensive than had been supposed.
Definition of Baade, Walter in US English:
Baade, Walter
proper nounˈbädə
(1893–1960), US astronomer, born in Germany; full name Wilhelm Heinrich Walter Baade. He proved that the Andromeda galaxy was much farther away than had been thought, which implied that the universe was much older and more extensive than had been supposed. He also contributed to the understanding of the life cycles of stars.