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