Earth, third planet from the sun and the fifth largest planet in the solar system in terms of size and mass Learn more about development and composition of earth in this article. While earth is only the fifth largest planet in the solar system, it is the only planet in our solar system with liquid water on the surface Just slightly larger than nearby venus, earth is the biggest of the four planets closest to the sun, all of which are made of rock and metal. From extreme climates to peculiar creatures, here are some top facts about earth. Earth, our home planet, is a world unlike any other
The third planet from the sun, earth is the only place in the known universe confirmed to host life. Geological cross section of earth, showing the different layers of the interior The internal structure of earth is the layers of the planet earth, excluding its atmosphere and hydrosphere The structure consists of an outer silicate solid crust, a highly viscous asthenosphere, and solid mantle, a liquid outer core whose flow generates the earth's magnetic field, and a solid inner core. Track storms and weather with the visible earth vital sign, use carbon monoxide to hunt for forest fires and volcanic eruptions, and more.
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