Alexander Friedmann: The Physicist Who Anticipated The Expansion Of The Universe A Century Ago - Indiatimes.com

2:03am PDT - May 24th, 2022    science - The Times of India

For centuries, the universe was thought to be a fixed and immobile sphere surrounded by a finite number of stars and other celestial bodies. This notion, which was previously regarded as knowledge, pervaded the most inquiring minds. Copernicus, the magnificen…