227 Planetary Quiz
1. Name the furthest planet from the Sun. Who was the astronomer to view it first? Ans- Neptune. John Gottfried Galle, a German astronomer, was the first person to view this planet. 2. The Earth rotates from which direction to which direction? Ans- The Earth rotates West to East on its axis with an inclination of 23.45 degrees. Almost all other planets have a similar rotation. 3. Which is the single planet that appears to roll around the Sun like a ball? Ans- Uranus. 4. Name the Earth's largest volcano in the known universe. Ans- Olympus Mons. It is 602 Km across and 25 Km high, three times the height of Mt. Everest. 5. Which compound is blown around at terrific speed? Ans- Methane 6. In 2014, where did spacecraft Rosetta discovered water? Ans- On a non-terrestrial surface that is -A comet. 7. Which is the smallest planet? Ans- Mercury 8. Name the spacecraft that visited Jupiter in 1979, Saturn in 1981, Uranus in 1986, Neptune in 1989, and is currently 20