عرض المشاركات من أبريل, 2022
In July 1969, a NASA spacecraft Apollo-11 hit the lunar surface and first time a man walked on the Moon surface. In 1960s and 70s, due to various lunar missions, scientists started to understand moon's character…
In 1930, a object was discoverd in our solar system which was the farthest at that time. By the time eight planet had been already known in solar system and it was placed at 9th and named as Pluto . By the end of 20th…