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Dec 31, 1543
Discovery of the Sun Being in the Centre of the Solar System
In the early 1500 everyone believed that the earth was the centre of the universe. Polish scientist Nicolaus Copernicus made a model that showed that the planets revolved around the sun. -
Telescope was Used For the First Time
Although Galileo Galilei didn't make the telescope he was the first to use it properly. After Galileo heard about the invention that a German-Dutch spectacle maker Hans Lippershay had made, Galileo improved the telescope. -
Reflecting Telescope was Invented
The reflecting telescope was invented by Sir Isaac Newton who was an english physicist and mathematician. He also invented pet doors. -
Earths First Artificial Satellite Launched
Earths first artificial satellite was Sputnik 1. It was a 58 cm diameter polished metal sphere, with four external radio antennas to broadcast radio pulses. -
First Animal that Went to Space
The first animal that went to space was Laika. A dog that went aboard a Russian satellite, Sputnik 2. Laika died in space because the souviets did not make a re-entery plan. Laika's trip to space helped scientists understand if humans could survive in space or not. -
First Successfull Weather Satellite Launched
The first successfull weather satellite was TIROS0-1, it was launched by the U.S. TIROS stands for television infrared observation satellite. -
First Woman in Space
The first woman in space was Valentina Tereshkova. She was twenty-six when she went to space on Vostok 6. She still remains the only woman to have made a solo space flight. -
Frst Human to Walk on the Moon
Neil Armstrong was the first man to walk on the moon. They went in the Apollo 11. There were two other people in the Apollo 11 with Neil Armstrong, Buzz Aldrin and Michael Collins who stayed in the command module. -
Voyager 2 Launched
Voyager 2 was actually launched before Voyager 1 but Voyager 1 moved faster then Voyager 2 and then eventually passed it. -
Voyager 1 Launched
Voyager 1 is a space probe launched by NASA. The spacecraft left thirty-six years ago and has travelled further then anyone or anything in history. -
Hubble Telescope Launched
Hubble is one of NASA's most successful and long-lasting science missions. It has sent hundreds of thousands of pictures back to Earth. -
First Permanent Crew Moved Into International Space Station
The crew arrived in the year 2000 and have been living there ever scince. The International Space Station (ISS) began construction in 1986 and was finished in 2010.
