Earth isn't alone in orbiting our sun; it's joined by a bunch of planets, moons, asteroids, and comets that we collectively call our solar system. But how much do you know about our home among the stars?
The solar system is primarily comprised of our sun — which makes up the vast majority of its mass — and the eight planets, which are split into three subcategories. First up are the rocky inner planets Mercury, Venus, Earth, and Mars; followed by the gas giants Jupiter and Saturn; then we reach the outmost planets, the ice giants Uranus and Neptune.
Depending on how many rotations around the sun you've seen, you might remember a time when we thought there were nine planets in our solar system. Our order of the solar system mnemonics were forever ruined when poor Pluto was unceremoniously booted out of the planetary club back in… actually, we're not telling you the year, because that's part of the quiz.
Speaking of which, it's time to test your knowledge of our stellar neighborhood with our solar system quiz. If you need a hint, click the yellow button.
—Black hole quiz: How supermassive is your knowledge of the universe?
—Constellations quiz: Can you name all the animals, objects and mythological figures hiding in the night sky?
—Moon landing quiz: How quickly can you name all 12 Apollo astronauts that walked on the moon?
—Equator quiz: Can you name the 13 countries that sit on Earth's central line?
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