One kilogram of carcinogenic plutonium-238 was dispersed in the Earth’s atmosphere. It turned out that vi ...
One kilogram of carcinogenic plutonium-238 was dispersed in the Earth’s atmosphere. It turned out that virtually the entire surface of the globe was affected by this pollution. On this day the America ...
On this day the People's Republic of China succeeded in placing its first satellite into orbit around the ...
On this day the People's Republic of China succeeded in placing its first satellite into orbit around the Moon. It was named Chang’e 1, after the Chinese Moon goddess. The satellite was launched from ...