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January 31, 2021
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Yannick
⟶ Обновлено 20 ноя 2019 ⟶
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Alex Smith
interesting, i like much very. yippee ki yay.
21 ноя 2019
События
Leslie Comrie is born
Leslie Comrie worked on commercial calculators, described the use of punch cards to store data
Leslie Comrie published works on predicting eclipses
Leslie Comrie published works on "the green flash"
Leslie Comrie dies
A moon crater and an asteroid are named after named after Leslie Comrie
Charles Gifford is born
Charles Gifford helps create the Gifford observatory
Charles Gifford proves the moon craters are meteorite impacts (previously thought to be cause by volcanic activity)
Charles Gifford Dies
Roy Kerr is born
Roy Kerr discovers an exact solution to Einstein's field equations of general relativity
Ernest Rutherford is born
Ernest Rutherford is the first person to split an atom
Ernest Rutherford dies
Beatrice Tinsley is born
Beatrice Tinsley researched how populations of stars age
Beatrice Tinsley does research on whether the universe is open or closed and her models provide the first approximations on what protogalaxies would look like
Beatrice Tinsley dies
Bill Pickering is born
Bill Pickering joins NASA and launches Explorer 1, the first american (and many more after that)
Bill Pickering dies
John Grigg is born
John Grigg sees the Venus Transit and gets interested in astronomy
John Grigg sees the Venus Transit and gets interested in astronomy (copy)
