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Detailed explanation-1: -The first dedicated Indian Astronomy mission, AstroSat which was launched on September 28, 2015 completed two years in orbit.
Detailed explanation-2: -AstroSat, India’s first multi-wavelength astronomical observatory, on Monday completed five years of imaging celestial objects in space.
Detailed explanation-3: -AstroSat is India’s first dedicated multi wavelength space observatory. This scientific satellite mission endeavours for a more detailed understanding of our universe.
Detailed explanation-4: -AstroSat with a lift-off mass of 1515 kg was launched on September 28, 2015 into a 650 km orbit inclined at an angle of 6 deg to the equator by PSLV-C30 from Satish Dhawan Space Centre, Sriharikota. The minimum useful life of the AstroSat mission is expected to be 5 years.
Detailed explanation-5: -Erected in 1792, these are the only remains of India’s first modern public observatory, the Madras Observatory, started by the British East India Company in 1786.