Moon: Introduction: The sole natural satellite of Earth is the Moon. Its diameter is approximately one-fourth that of the Earth (comparable to the width of Australia). The Moon is the solar system's fifth-largest satellite. It is the largest (and most massive) satellite in relation to its home planet, bigger than any known dwarf planet. According to the geophysical definitions of the term, the Moon qualifies as a satellite planet since it is a planetary-mass object that developed into a distinct rocky body. There isn't much of an atmosphere, hydrosphere, or magnetic field there. About one-sixth of Earth's gravity is present on the surface (0.1654 g). The only satellite in the Solar System known to have a higher surface gravity and density is Jupiter's moon Io. Moon Its gravitational pull slowly lengthens Earth's day and is the primary cause of the tides. It orbits Earth at an average distance of 384,400 km (238,900 mi), or nearly 30 times the diameter of the pla...
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