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The Astronomer Who Brought Us the Universe
StartsWithABang writes If all we were able to do was look up at the sky and see what we can see, no matter how powerful our instruments became, we would be extraordinarily limited in what we could learn about the Universe. But if we could know some intrinsic properties about what we were looking at, then simply by measuring things like how bright these objects appear, we could figure out the cosmic distance scale; all it would require is knowledge of a "distance indicator" or "standard candle." The very first one ever discovered — by Henrietta Leavitt — is not only still in use today, but taught us the galactic nature of the spiral nebulae and gave us the expanding Universe.
yes, I'm sure she worked in complete isolation, and developed everything by herself.
No, she was a part of a group consisting entirely of women under the management of Edward Pickering at Harvard Observatory, called at the time "Pickering's Harem" Despite her groundbreaking accomplishments, Leavitt was unable to obtain a faculty position at Harvard, entirely due to her gender.
Times have changed a lot since then, despite the efforts of ignorant douchebags like you.