Science Quiz / Choose Your Planet

Random Science or Astronomy Quiz

Can you name the planets, based on the description?

 Plays Quiz Updated Sep 12, 2014

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This planet contains the Great Red Spot, a persistent anticyclonic storm located 22° south of the equator
This planet has only two moons
This planet's surface cannot be seen in visible light due to reflective clouds of sulfuric acid enveloping the planet
This planet has an axis of rotation approximately parallel to the plane of the Solar System
This planet is named after the Roman god of agriculture
This planet has the most eccentric orbit, varying its distance to the sun by 14 million miles
This planet is the densest
This planet was found by mathematical prediction, rather than empirical observation
This planet's astronomical symbol consists of a cross circumscribed by a circle
This planet was originally named 'Georgium Sidus' by its discoverer, William Herschel, after King George III
This planet's rings are the most massive
This planet moves across the sky faster than any other planet, like its eponymous swift-footed messenger
This planet's name is derived from a figure from Greek mythology
This planet is known as Earth's 'sister planet' due to similar size and gravity
This planet has a mass two and a half times the mass of all the other planets in the Solar System combined
This planet was analyzed by NASA's MESSENGER, which discovered water in the form of ice inside craters near the north pole
This planet completes a rotation on its axis fastest, in less than ten hours
This planet has been the farthest planet from the sun since 2006
This planet's orbit is nearest to circular, with an eccentricity less than 0.01
This planet was thought by many ancient cultures to be flat
This planet is currently host to five functioning spacecraft: two on the surface and three in orbit
This planet's largest moon is the only one of the Solar System's moons to retain a substantial atmosphere
This planet has the fastest wind speeds, nearing supersonic flow
This planet is home of Olympus Mons, the largest mountain of the Solar System's planets

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