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| Cosmonautics Day (праздник spider13) | |||
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| Space Exploration Day (daysoftheyear.com Andrey Truhachev); Space Day (USA: first Thursday in May MichaelBurov) | |||
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| astronautics day | |||
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| Cosmonautics Day (праздник spider13) | |||
| |||
| Space Exploration Day (daysoftheyear.com Andrey Truhachev); Space Day (USA: first Thursday in May MichaelBurov) | |||
| |||
| astronautics day | |||