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Warning: This graphic requires JavaScript. Please enable JavaScript for the best experience. The Andromeda galaxy is the galaxy next door, a very faint, fuzzy thing ...
Cepheid stars have predictable brightness changes linked to their periods. This period-brightness relationship lets astronomers calculate a Cepheid's distance. Hubble found a Cepheid in the Andromeda ...
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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 ...
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