Correct option is D
ASTROSAT is India's first dedicated space observatory, launched on September 28, 2015 by ISRO from the Satish Dhawan Space Centre, Sriharikota. The satellite was designed to observe celestial objects across multiple wavelengths, including ultraviolet, optical, and X-ray bands. ASTROSAT enables Indian scientists toASTROSAT is India's first dedicated space observatory, launched on September 28, 2015, by ISRO from the Satish Dhawan Space Centre, Sriharikota. ASTROSAT marked a major milestone in India’s space research capabilities. The satellite is designed to observe celestial objects in multiple wavelengths, including ultraviolet (UV), optical, and X-rays. This multi-wavelength approach allows Indian scientists to study different phenomena such as stars, galaxies, and black holes more comprehensively.
