Test your knowledge of the Solar System 1 / 10 What is the smallest planet in the solar system? Venus Pluto Mercury Mars 2 / 10 Which planet rotates on its side? Uranus Neptune Venus Saturn 3 / 10 What is the Sun mostly made of? Oxygen and nitrogen Carbon dioxide Hydrogen and helium Iron and nickel 4 / 10 Which planet is known for its extreme greenhouse effect? Mars Neptune Earth Venus 5 / 10 Which planet has the Great Red Spot, a giant storm? Saturn Jupiter Mars Neptune 6 / 10 How do astronomers measure the mass of a planet in the solar system? By observing its magnetic field. By studying its atmosphere. By observing the gravitational effects the planet has on nearby objects, like moons or spacecraft. By measuring its size. 7 / 10 What is a comet? A celestial object made of ice, dust, and rock that develops a glowing coma and tail near the Sun A planet’s moon A type of asteroid A meteor 8 / 10 Which planet has the most moons? Uranus Earth Saturn Jupiter 9 / 10 What is the name of the largest moon of Saturn? Callisto Ganymede Europa Titan 10 / 10 What causes the variation in planetary magnetic fields within the solar system? The distance from the Sun. Variations in solar wind pressure. Differences in the planetary core compositions and their rotational speeds. The planet's atmosphere. Your score isThe average score is 76% 0% Restart quiz
