Search Result For artificial

The day the first satellite was launched – level 2

04-10-1957

Sputnik was one of the most famous objects which people made....



The day the first satellite was launched – level 3

04-10-1957

It was one of the most famous objects ever created by...



The day the first human stepped on the Moon – level 3

21-07-1969

In the 1960s, the Soviet Union and the US were rivals...