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60% Complete

105 Total Pages 75 Contributing Members

Project PHaEDRA - Annie Jump Cannon 60

At Harvard College Observatory (now the Harvard-Smithsonian Center for Astrophysics), women computers studied glass plate photographs of the night sky. Here they catalogued stars, identifying variables, interpreting stellar spectra, counting galaxies, and measuring the vast distances in space. Several of them made game-changing discoveries in astronomy and astrophysics. In these books, follow the work of Annie Jump Cannon, who in 1901 devised a robust and elegant stellar classification scheme that astronomers still use today. Interested in historical women? Love astronomy? Help us transcribe the work of the Harvard Observatory's women computers and see which stars shine the brightest. Have questions? Want to start a discussion? Head over to our blog posts to make comments about notebooks and ask questions about transcribing. PLEASE NOTE: Please follow these special instructions when transcribing these notebooks.

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22% Complete

111 Total Pages 42 Contributing Members

Project PHaEDRA - Henrietta Swan Leavitt #38

At Harvard College Observatory (now the Harvard-Smithsonian Center for Astrophysics), women computers studied glass plate photographs of the night sky. Here they catalogued stars, identifying variables, interpreting stellar spectra, counting galaxies, and measuring the vast distances in space. Several of them made game-changing discoveries in astronomy and astrophysics. In these books, follow the work of Henrietta Swan Leavitt, who discovered the relation between luminosity and the period of the Cepheid variables and led to the first “standard candle” with which to measure the distance to other galaxies. Interested in historical women? Love astronomy? Help us transcribe the work of the Harvard Observatory's women computers and see which stars shine the brightest. Have questions? Want to start a discussion? Head over to our blog posts to make comments about notebooks and ask questions about transcribing. PLEASE NOTE: Please follow these special instructions when transcribing these notebooks.

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45% Complete

235 Total Pages 97 Contributing Members

Project PHaEDRA - Williamina P. Fleming - Variable Stars #1

At Harvard College Observatory (now the Center for Astrophysics | Harvard & Smithsonian), women computers studied glass plate photographs of the night sky. Here they catalogued stars, identifying variables, interpreting stellar spectra, counting galaxies, and measuring the vast distances in space. Several of them made game-changing discoveries in astronomy and astrophysics. In these books, follow the work of Williamina Fleming who discovered over 310 variable stars as well as discovering the first white dwarf. Interested in historical women? Love astronomy? Help us transcribe the work of the Harvard Observatory's women computers and see which stars shine the brightest. Have questions? Want to start a discussion? Head over to our blog posts to make comments about notebooks and ask questions about transcribing. NOTE: Please follow these special instructions when transcribing these notebooks.

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60% Complete

241 Total Pages 66 Contributing Members

Project PHaEDRA - Williamina P. Fleming - Variable Stars; Photometer #17

At Harvard College Observatory (now the Center for Astrophysics | Harvard & Smithsonian), women computers studied glass plate photographs of the night sky. Here they catalogued stars, identifying variables, interpreting stellar spectra, counting galaxies, and measuring the vast distances in space. Several of them made game-changing discoveries in astronomy and astrophysics. In these books, follow the work of Williamina Fleming who discovered over 310 variable stars as well as discovering the first white dwarf. Interested in historical women? Love astronomy? Help us transcribe the work of the Harvard Observatory's women computers and see which stars shine the brightest. Have questions? Want to start a discussion? Head over to our blog posts to make comments about notebooks and ask questions about transcribing. NOTE: Please follow these special instructions when transcribing these notebooks.

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99% Complete

4,522 Total Pages 1,518 Contributing Members

Sally K. Ride Papers

The Sally Ride Papers reflect Ride's careers as a student, astronaut, physicist, professor, author, and CEO of Sally Ride Science. This collection consists of material gathered by Sally Ride over the course of her life. This material is particularly rich in training materials from her astronaut days, but also provides significant insight into her career in academia and her interest and support of STEM (Science, Technology, Engineering, and Math) education. The bulk of this collection consists of materials related to Ride's professional work. This includes correspondence, memoranda, meeting minutes, reports and papers, notes, speeches, photographs, brochures, pamphlets, programs, newsletters, newspaper and magazine articles, and miscellaneous materials. Materials of a personal nature were retained by her family and therefore do not figure in this collection.

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