Our good old Solar System is actually a pretty bizarre place, what with all its out-of-this-world phenomena that we humans haven't managed to explain yet! There are rumors that a gigantic, undiscovered planet is hiding behind Neptune, volcanoes on Pluto spew ice, and a colossal canyon on Mars can accommodate the whole US territory, and most of Cleveland! 

Have you ever heard that winds on Venus blow 50 times faster than the planet rotates? Or that there's an ocean that consists of metallic hydrogen, and its depth is a staggering 25,000 miles, which is almost the same as the circumference of the Earth? Well, let's figure out if it's true by talking about the most mystifying Solar System facts. 

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