the diagram.This will show you the order of the planets in our solar system. • Mercury yy Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto Planet People Astronomers study planets and other objects in space. Astronomy is the study of planets, stars, and other space objects. Astronomers...
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Figure below shows a diagram of Mercury’s interior. Mercury is one of the densest planets. It’s relatively large, liquid core, made mostly of melted iron, takes up about 42% of the planet’s volume.Mercury contains a thin crust, a mantle, and a large, liquid core that is rich in ...