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International Astronomy Day 2023
International Astronomy Day will be held on September 23, 2023 International Astronomy Day 2023: International Astronomy Day, often known as Astronomy Day, is celebrated twice a year. The Saturday closest….
International Astronomy Day will be held on September 23, 2023 International Astronomy Day 2023: International Astronomy Day, often known as Astronomy Day, is celebrated twice a year. The Saturday closest….