10 Interesting Fact About The history of astronomy

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• Astronomy has been around for thousands of years and is practiced by many cultures throughout the world.
• Ancient Egyptians are one of the first to study and observe celestial bodies at night.
• Babylonians find the eclipse cycle and create a very accurate astronomical calendar.
• Ancient Greeks such as Aristotle and Ptolemy developed a geocentric model to explain the movements of planet and other celestial bodies.
• Nicolaus Copernicus developed the heliocentric model which shows that the sun is the center of the solar system.
• Galileo Galilei uses a telescope to observe planets and stars, and finds Jupiter's biggest four months.
• Isaac Newton discovered the law of gravity, which helped explain the movements of planets and other celestial bodies.
• Edwin Hubble found that the universe continued to develop and that there were many galaxies outside our Milky Way.
• Sputnik 1, the launch of the first man -made satellite into space, was launched by the Soviet Union in 1957.
• The Hubble Telescope, which was launched in 1990, has given spectacular images of heavenly objects far in the universe.