Goddard's work on rocket technology would make spaceflight possible.ġ942 - The German V-2 rocket became the first vehicle to enter outer space.ġ947 - Fruit flies became the first animals to go to outer space aboard a V-2 rocket sent by the United States.ġ957 - On August 21, 1957, Russia (USSR) launched Sputnik 1 which became the first satellite into orbit around Earth. 1543 - Nicolaus Copernicus published On the Revolutions of the Heavenly Spheres claiming that the Earth and the planets orbited the Sun.ġ609 - Galileo first used the telescope to view the stars and planets.ġ668 - Isaac Newton invented the first reflecting telescope.ġ686 - Isaac Newton published the Mathematical Principles of Natural Philosophy where he laid the foundations for universal gravitation and described the motion of the Sun and the planets.ġ801 - The first asteroid, Ceres, is discovered by Giuseppe Piazzi.ġ926 - Robert Goddard invented and launched the first liquid-fueled rocket.
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