10 Interesting Fact About The History and Science of Astronomy

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• Astronomy is a branch of science that has existed for a long time before 1600.
• Astronomy has played an important role in human life since prehistoric times.
• In the 16th century, Ptolemaeus from Greece developed PTolemaic theory that focused on the motion of heavenly objects around the earth.
• In 1609, Galileo Galilei made a telescope and made the observation of the universe.
• Isaac Newton developed a universal gravitational theory in the 17th century which explains the movements and balance of the sun, moon, and planets.
• In the 19th century, Wilhelm Struve discovered that stars moved at different speeds and spectrum shifts occur.
• In 1923, Edwin Hubble found that the universe was developing himself.
• In 1965, Arno Penzias and Robert Wilson discovered cosmic radiation which was a sign from the beginning of the universe.
• In 1969, Neil Armstrong and Edwin Aldrin landed on the moon.
• In 1977, Voyager 1 and Voyager 2 were launched to explore the solar system and the universe.