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International Astronomy Day - April 29

April 29 , 2023 580 days 584 0
  • International Astronomy Day is observed two times a year.
  • While one is celebrated in Spring and the other one is in Autumn.
  • The Spring Astronomy Day falls on April 29, 2023.
  • The first Astronomy Day was celebrated in 1973 by the Astronomical Association of Northern California.

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