Test your knowledge of the Solar System 1 / 10 What is the smallest planet in the solar system? Mars Mercury Pluto Venus 2 / 10 What is the name of the largest moon of Saturn? Ganymede Titan Europa Callisto 3 / 10 Which planet has the Great Red Spot, a giant storm? Neptune Saturn Jupiter Mars 4 / 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 planet's atmosphere. The distance from the Sun. 5 / 10 What is the Sun mostly made of? Iron and nickel Hydrogen and helium Oxygen and nitrogen Carbon dioxide 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 a comet? A meteor A planet’s moon A type of asteroid A celestial object made of ice, dust, and rock that develops a glowing coma and tail near the Sun 8 / 10 Which planet is known for its extreme greenhouse effect? Venus Neptune Earth Mars 9 / 10 Which planet rotates on its side? Saturn Uranus Venus Neptune 10 / 10 Which planet has the most moons? Uranus Saturn Earth Jupiter Your score isThe average score is 76% 0% Restart quiz
