16 facts about Milky Way
A galaxy is a gravitationally connected system of stars, dust, gas, and dark matter. It is estimated that there are almost 3.9 trillion of them in the ...
The Cold War, although a grim period in world history, brought an intense rivalry in a space race between the U.S., and the Soviet Union. As a result, the most famous space-related organization—NASA—was established, and the dream of conquering the cosmos finally started to come true.