Famous Astronomers and Their Cosmic Discoveries

Preview · 12 questions

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