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