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What is the planet mercury made of?

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The smallest planet in the solar system, Mercury bears a strong resemblance to Earth's moon. Like the other three terrestrial planet, Mercury contains a core surrounded by a mantle and a crust. But Mercury's core makes up a larger portion of the planet than others in the solar system, hinting at a chaotic beginning. read more

How does Mercury’s composition compare to the other planets in the Solar System. read more

The planet’s core is actually made up of liquid metal which is then surrounded by a mantle that is composed of silica and a solid outer crust. In Mercury’s case, the core only accounts for about 42% of the planet. read more

In Mercury’s case, the core only accounts for about 42% of the planet. The Earth’s core, on the other hand, accounts for 17%. As for knowing the actual composition of Mercury’s interior, it is still quite difficult to fully ascertain. read more

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