It is estimated that it has existed in space for about 10 billion years. Space is an infinite emptiness, in which stars, the sun, the moon, our earth and perhaps thousands of planets exist.
After the Second World War, the union with the Soviet and the United States of America established the Missile programs. On October 3, 1957, Sputnik 1, its first satellite, placed it in orbit. On April 12, 1961, Russian cosmonaut Yuri Gagarin vustok 1 Spacecraft became the first Human to orbit the Earth and sat in orbit.
The US President of the 1961 period, F. Kennedy, made the project of Stepping on the Moon and returning safely. On July 20, 1969, Neil Amstrong took a big step for Mankind and took the first human step on the moon.
During these years, the astronaut came back and forth with many space shuttles. A successful progress has been made in the study of space exploration, and millions of years are expected to be overcome.