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Space Exploration

Space exploration is the significant exploration of the outer space object. This can include the investigation of physical conditions in space and on stars, planets, and their
moons. All space exploration is either done through the use of:

  • Artificial Satellites - a spacecraft that orbit the earth)
  • Space Probes - a spacecraft that passes through the solar system and that may or may not orbit another celestial body
  • Spacecraft - with human crews

Even though studies from earth with the use of optical and radio telescopes had accumulated various data on the nature of celestial bodies, but it wasn't until after WWII that the development of rockets which was powerful enough to make direct space exploration.

The very first artificial satellite, Sputnik I (Oct. 4, 1957) was by the USSR (now Russia ), in close pursues was the U.S. space program who launch satellite Explorer I (Jan. 31,
1958). The success of these launches has seen China also joining this space race, by launching it first man into space in Oct. 31, 2003 .

Although earth-orbiting satellites have by far accounted for a large majority of launch in the space program, even more information on the moon, other planets, and the sun has been acquired by space probes.

For more facts about:

Moon Exploration
Mars Exploration


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