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Answer:
1.) In the observable universe there are an estimated 2 trillion (2,000,000,000,000) galaxies. The International Space Station is the largest ever crewed object in space. Spacecraft have visited all the known planets in our solar system.
2.) The Space Race was a 20th-century competition between two Cold War adversaries, the Soviet Union (USSR) and the United States (US), to achieve superior spaceflight capability. It had its origins in the ballistic missile-based nuclear arms race between the two nations following World War II.
3.) The cost was $25 billion. Today, more than half of all Americans are too young to remember that historic mission.
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1. For the astronauts peeing against a bus gave them "good luck"
2.All cosmonauts had to watch an old Soviet film before setting off
3.The Russians called their space pilots cosmonauts meaning "sailors of the universe" The Americans were called astronauts meaning "star sailors"
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