Venus is sometimes referred to as Earth’s sister planet because of their similarities in composition, size, mass, density, volume, and gravitational force; both Venus and Earth have a liquid metal core, a mantle, and a crust. But that is where the similarities end; Venus and Earth are very different in their surface pressure, axial tilt, rotation periods, and Venus does not have plate tectonics or even water, and it is thought to be the hottest planet in the solar system.
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