10:04am PDT - June 30th, 2023
RT @Astromaterials: Today is #AsteroidDay, the day of the Siberian Tunguska event in 1908. Asteroids are small rocky objects that orbit the…
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Кафедра астрономії ХНУ Каразіна (@kath_astron)
10:04am PDT - June 30th, 2023
Кафедра астрономії ХНУ Каразіна (@kath_astron)