Earth (or the Earth) is the third planet from the Sun, and the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the Solar System's four terrestrial planets. It is sometimes referred to as the world, the Blue Planet, or by its Latin name, Terra الأرض  هي ثالث كواكب المجموعة الشمسية بعدًا...

Venus Venus is the second planet from the Sun, orbiting it every 224.7 Earth days.[10] The planet is named after Venus, the Roman goddess of love and beauty. After the Moon, it is the brightest natural object in the night sky هو ثاني كواكب المجموعة الشمسية من حيث قربه إلى الشمس ...

Mercury is the innermost of the eight planets in the Solar System. It is also the smallest, and its orbit has the highest eccentricity of the eight.[a] It orbits the Sun once every 87.969 Earth days, completing three rotations about its axis for every two orbits. Mercury has the smallest axial tilt of the Solar System planets. The perihelion...

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