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Galileo Galilei made the first telescopic observation. What he found was the discovery of Jupiter's moons, the phases of Venus, and craters on our moon.
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In 1840, a scientist and photographer named John William Draper was the first person to take a fully detailed photograph of our moon.
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Robert Goddard is awarded a prize for his invention of the liquid feuled rocket with multiple stages. He also included the research of cooling gases for the rocket as well.
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On October 4, 1957 the USSR successfully launched it's first artifical satellite named Sputnik 1. When America heard the news about its launching, it began the start a race between the two countries called "The Space Race".
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In the launching of Sputnik 2, the USSR also added a dog named Laika on board. Laika became the first animal to orbit around earth while riding on Sputnik 2. Unfourtunately, Laika did not survive due to Sputnik having no ideal re-entry plan.
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The USSR launched a satellite called Luna 1 on January 4, 1959. It became to be known as the first artifical satellite to reach the Moon's vicinity (getting close or near it). Luna 1 also is the first artifical satellite to be launched in the direction of the moon.
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On August 7, 1959, NASA launched a satellite called Explorer 6. While it was in orbit, the satellite took the first picture of Earth while in orbit. It wasn't the greatest image, but it was the first.
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In 1960, NASA had the success to send out the First space probe (named Pioneer 5) into space. This was a victory for them in the Space Race.
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On January 31, 1961, NASA successfully sent the first hominiade into space. It was a chimpanzee named Ham. He successfully made it into space and safely back.
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April 12, 1961, the USSR has successfully sent the first human into space. The man's name was Yuri Gagarin. He boarded the Vostok 1, made a single orbit, and came home safely.
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On June 13, 1983 NASA launched a satellite called the Pioneer 10. It was the first spacecraft to travel through the asteroid belt and go beyond Neptune.
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On January 28, 1986 the space shuttle called "Challenger" exploded 73 seconds after lift off. It claimed the lives of all seven crew members and a school teacher named Christa McAuliffe who was accepted to be apart of the mission.
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On November 20, 1998, the International Space Station was created. Its motive is to carry out research in Space while working with others around the world. It's still used to this day.
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January 14, 2006, working with NASA, ESA, and ASI successfully landed a space probe named Huygens on Saturn's moon, Titan. It became the first soft landing on its moon and the furthest landing a spacecraft has ever made (at the time).
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The 10 of August in 2015, NASA along with JAXA (Japan) grew red romaine lettuce on the ISS (International Space Station). After the vegetable was fully harvested, the crew members ate some of it for a snack. They brought the rest back to earth.