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Science history: Edwin Hubble uncovers the vastness of the universe with discovery of 'standard candle' — Oct. 5, 1923

On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular intervals. The star ...
Astronomy on MSN

Oct. 5th, 1923: Hubble discovers galaxies beyond the Milky Way

On Oct. 4, 1923, Edwin Hubble took a photographic plate of the Andromeda Nebula (as it was known then) using the 100-inch Hooker telescope at Mount Wilson. The next night, Oct. 5th, he took another ...
Smithsonian Magazine

Who Is the Man Who Discovered the Universe?

This article, originally titled "The Man Who Discovered the Universe," is from the Summer 2025 issue of Air & Space Quarterly ...
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She worked with Edwin Hubble at Harvard for 30 cents an hour and shaped the view of universe as we know it, yet never won a Nobel Prize

More than a century ago, in a quiet corner of the Harvard College Observatory, a woman sat for hours examining tiny specks on glass photographic plates. These dots, captured from the night sky, would ...
Astronomy

Michael’s Miscellany: Meet the Local Group

Edwin Hubble initially identified approximately 11-12 galaxies within the Local Group, a term he coined, while current estimations place the number of members at 125 or more. The Local Group's total ...