1. Who discovered the moons of Jupiter in 1610? Brahe Newton Galileo Copernicus

2. Who discovered the division in the rings of Saturn? Lowell Galileo Cassini Herschel

3. Who discovered the planet Uranus? Copernicus Herschel Einstein Nobody

4. Who discovered the moons of Mars? Herschel Hall Adams Leverier

5. Who discovered the first asteroid, Ceres? Answer: (One Word, last name only)

6. Who developed the heliocentric theory? Copernicus Kepler Galileo Brahe

7. Who was the first person to actually see Neptune? Galileo Herschel Adams Leverrier

8. Who formulated the three laws governing the motions of the planets? Galileo Copernicus Brahe Kepler

9. Who predicted the existence of the planet Neptune? Einstein Leverrier and Adams Kepler and Newton Herschel

10. Who was known to make the first accurate measurement of the Earth's size? Eratosthenes Ptolemy Aristotle Socrates