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246 Total Pages 33 Contributing Members

Project PHaEDRA - Cecilia H. Payne #11

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 early work of Cecilia Payne-Gaposchkin, who discovered that stars, and the whole universe, were made abundantly of hydrogen -- a discovery that earned her the first PhD in Astronomy from Harvard. 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.

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162 Total Pages 24 Contributing Members

Project PHaEDRA - Cecilia H. Payne #12

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 early work of Cecilia Payne-Gaposchkin, who discovered that stars, and the whole universe, were made abundantly of hydrogen -- a discovery that earned her the first PhD in Astronomy from Harvard. 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.

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49 Total Pages 8 Contributing Members

Project PHaEDRA - Cecilia H. Payne #13

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 early work of Cecilia Payne-Gaposchkin, who discovered that stars, and the whole universe, were made abundantly of hydrogen -- a discovery that earned her the first PhD in Astronomy from Harvard. 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.

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174 Total Pages 24 Contributing Members

Project PHaEDRA - Cecilia H. Payne #14

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 early work of Cecilia Payne-Gaposchkin, who discovered that stars, and the whole universe, were made abundantly of hydrogen -- a discovery that earned her the first PhD in Astronomy from Harvard. 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.

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186 Total Pages 40 Contributing Members

Project PHaEDRA - Cecilia H. Payne #15

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 early work of Cecilia Payne-Gaposchkin, who discovered that stars, and the whole universe, were made abundantly of hydrogen -- a discovery that earned her the first PhD in Astronomy from Harvard. 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.

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57 Total Pages 25 Contributing Members

Project PHaEDRA - Cecilia H. Payne #16

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 early work of Cecilia Payne-Gaposchkin, who discovered that stars, and the whole universe, were made abundantly of hydrogen -- a discovery that earned her the first PhD in Astronomy from Harvard. 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.

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261 Total Pages 36 Contributing Members

Project PHaEDRA - Cecilia H. Payne #17

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 early work of Cecilia Payne-Gaposchkin, who discovered that stars, and the whole universe, were made abundantly of hydrogen -- a discovery that earned her the first PhD in Astronomy from Harvard. 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.

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177 Total Pages 60 Contributing Members

Project PHaEDRA - Cecilia H. Payne #18

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. PLEASE NOTE: Please follow these special instructions when transcribing these notebooks.

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203 Total Pages 17 Contributing Members

Project PHaEDRA - Cecilia H. Payne #2

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 early work of Cecilia Payne-Gaposchkin, who discovered that stars, and the whole universe, were made abundantly of hydrogen -- a discovery that earned her the first PhD in Astronomy from Harvard. 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. View the special instructions for this project.

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217 Total Pages 31 Contributing Members

Project PHaEDRA - Cecilia H. Payne #20

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 early work of Cecilia Payne-Gaposchkin, who discovered that stars, and the whole universe, were made abundantly of hydrogen -- a discovery that earned her the first PhD in Astronomy from Harvard. 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.

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