Famous Astronomers and Their Cosmic Discoveries: Multiple Choice

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01Which French astronomer created a famous catalog of 110 'nebulae' and star clusters, now known as Messier objects?
02Who discovered Pluto in 1930 at the Lowell Observatory?
03Which astronomer used observations of receding galaxies to demonstrate that the universe is expanding?
04This English astronomer is best known for calculating the orbit of a comet that returns every 75-76 years, which is now named after him.
05Who is credited with proposing the heliocentric model, which places the Sun, rather than the Earth, at the center of the universe?
06Which Danish astronomer was known for his unprecedentedly accurate and comprehensive naked-eye observations of the stars and planets?
07Who formulated the three laws of planetary motion, describing how planets orbit the Sun?
08This astronomer's 'Tully–Fisher relation' correlates the luminosity of a spiral galaxy with its rotational speed, providing a way to measure cosmic distances.
09Which American astronomer and science communicator hosted the acclaimed 1980 television series 'Cosmos: A Personal Voyage'?
10This astronomer was the first to systematically use a telescope for astronomical observations, discovering Jupiter's four largest moons.
11Which ancient Greek astronomer's geocentric model of the universe, detailed in his work 'Almagest', was the accepted authority for over 1400 years?
12Who discovered the planet Uranus in 1781, the first planet to be discovered with a telescope?