Correct option is A
Moon - Earth's Natural Satellite:
The Moon is the only natural satellite of planet Earth.
It orbits the Earth at an average distance of about 384,400 km and has a significant impact on tides and various natural phenomena on Earth.
Explanation of Other Options:
(b) Aryabhatta: India’s first artificial satellite, launched in 1975.
(c) Kalpana - 1: India’s first dedicated meteorological satellite, launched in 2002.
(d) Insat: A series of Indian satellites used for communication, meteorology, and broadcasting purposes.
