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Sputnik 1 is the first satellite to have ever succesfully reached orbit. It was launched by the Soviet Union. -
The Russian dog Laika became the first animal to ever go to space on November 3rd 1957, and died aboard. -
Explorer 1 is the first american satellite to reach orbit, in response to USSR's Sputnik 1 mission. -
The Gemini Program was a NASA Program that aimed to develop technologies for the Apollo Program. It also operated a dozen of spaceflights.
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On April 4th of 1961, Russian astronaut Yuri Gagarin became the first man to go to space inside his Vostok-1 spacecraft. -
On July 20th of 1969, American astronaut Neil Armstrong walked on the Moon for the first timein human history, on the Apollo 11 mission, alongside Buzz Aldrin and Michael Collins. After setting foot on the Moon, he pronounced this now famous quote : "That's one small step for man, one giant leap for mankind". -
The Space Shuttle Program was a spacecraft program used by NASA to send astronauts in space. It used one of the first partially reusable spacecrafts and had a total of 135 missions. The first Space Shuttle flight was on April 12th, 1981. It ended on July 12, 2011.
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Mir was the first modular space station. It was launched and operated by the Soviet Union and later Russia -
The Hubble Space Telescope is one of the largest space telescopes ever made and it provided us a lot of very valuable informations. It was launched on April 24th, 1990, and is still in use as of today. -
NASA's Pathfinder rover was the first operational rover on another planet. -
The International Space Station, or ISS, is a modular space station created by an alliance of the space agencies of United States, Europe, Japan, Russia, and Canada. It was launched on November 20th, 1998, and is still operational. -
NASA's probe Voyager 1 became the first probe to leave the Solar System on August 25th, 2021. It was launched on September 5th, 1977.