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Fascinating Facts about Space Exploration - 1


This sub-category of the Space category is for fascinating facts about Space Exploration.


Escape Velocity
To escape from earth's gravity a spaceship must reach 'escape velocity' (a speed of 11.2km/s).

Mariner 2
Mariner 2 was the first spacecraft to go to reach another planet. In December 1962, the unmanned American spacecraft flew past Venus.

Moon Walks
A total of twelve Americans have walked on the surface of the Moon.

The First American In Space
John Glenn was the first American astronaut to orbit the earth.

The First Man In Space
The worlds first man to travel into space was the Russian airman, Yuri Gagarin. He made one orbit of the earth on April 12, 1961.

The First Space Walk
Russian cosmonaut Alexei Leonov became the first man to walk in space on March 18, 1965.

The First Woman In Space
The first woman to go into space was Valentina Tereshkova, a Russian cosmonaut. She orbited the earth in 1963.