ScienceHubble's Discovery of M31-V1 Star Changed Our Universe
On October 5-6, 1923, American astronomer Edwin Hubble observed M31-V1, the first Cepheid star identified in the Andromeda galaxy. This discovery proved that Andromeda lies beyond the Milky Way, fundamentally changing our understanding of the universe. The finding marked a major milestone in astronomy, expanding the known scale of the cosmos.
The Hindu·


