SOLAR SYSTEM

Detailed explanation-1: -In 1969, India’s successfully launched its first indigenously built rocket, Rohini-75. Thereafter, in 1975, with the help of the Soviet Union, India successfully launched its first satellite, Aryabhatta, into the Earth’s orbit.

Detailed explanation-2: -The Aryabhata spacecraft, named after the famous Indian astronomer, was India’s first satellite; it was completely designed and fabricated in India and launched by a Soviet Kosmos-3M rocket from Kapustin Yar on April 19, 1975.

Detailed explanation-3: -The launch came from an agreement between India and the Soviet Union directed by UR Rao and signed in 1972. It allowed the USSR to use Indian ports for tracking ships and launching vessels in return for launching various different Indian satellites.

Detailed explanation-4: -Aryabhata, first unmanned Earth satellite built by India. It was named for a prominent Indian astronomer and mathematician of the 5th century ce. The satellite was assembled at Peenya, near Bangalore, but was launched from within the Soviet Union by a Russian-made rocket on April 19, 1975.

Detailed explanation-5: -These were developed by the Indian Space Research Organisation (ISRO), and were a series of “sounding” rockets designed for meteorological and atmospheric research. Then, in the early 1970s, Vikram Sarabhai, ISRO’s founder, appointed a team of scientists and engineers to develop a satellite.

Detailed explanation-6: -On October 4, 1957, the Soviet Union launched the earth’s first artificial satellite, Sputnik I. The successful launch came as a shock to experts and citizens in the United States, who had hoped that the United States would accomplish this scientific advancement first.

Detailed explanation-7: -Bhaskara-II. Successful operation during mission life.