SOLAR SYSTEM

Detailed explanation-1: -A natural satellite is any celestial body in space that orbits around a larger body. Moons are called natural satellites because they orbit planets.

Detailed explanation-2: -A subsatellite, also known as a submoon, or moonmoon, is a “moon of a moon” or a hypothetical natural satellite that orbits the moon of a planet.

Detailed explanation-3: -No “moons of moons” or subsatellites (natural satellites that orbit a natural satellite of a planet) are currently known. In most cases, the tidal effects of the planet would make such a system unstable.

Detailed explanation-4: -Since the earth rotates around the sun; it is called the natural satellite of the Earth. The Moon’s presence helps to stabilize our climate. Therefore, the moon is the only natural satellite of the earth. Answer is option A, true.