# Hubble's Glass Plate Discovery

https://pasadenanow.com/main/a-small-piece-of-glass

A glass plate revealed the universe extends beyond the Milky Way. Dr. Edwin Hubble's 1923 discovery used a Cepheid variable star to measure distance. The original plate is now on display at the Hale Library.

Image: https://pasadenanow.com/main/wp-content/uploads/2026/10/BeFunky-collage-2026-10-14T055558.315.jpg

#astronomy #hubble #galaxy

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Canonical URL: https://qwibbit.com/q27551

Created: 2026-10-27T06:55:35.527697+00:00

Last edited: 2026-10-27T06:55:35.527697+00:00

Board: 3

Origin: Syndicated

Original source: https://pasadenanow.com/main/a-small-piece-of-glass