Maharashtra State PSC Model Paper 3

The correct answer is Both 1 and 2.

In news

• Astronomers, with the help of Astrosat, have spotted a massive intriguing globular cluster in the Milky Way galaxy with rare hot UV-bright stars in it.

• AstroSat is the first dedicated Indian astronomy mission aimed at studying celestial sources in X-ray, optical and UV spectral bands simultaneously. Hence, statement 1 is correct.
• It enables the simultaneous multi-wavelength observations of various astronomical objects with a single satellite.
• It was launched on September 28, 2015, by PSLV-C30 from Satish Dhawan Space Centre, Sriharikota.
• The minimum useful life of the AstroSat mission is expected to be 5 years.
• The scientific objectives of the AstroSat mission are-
  • To understand high energy processes in binary star systems containing neutron stars and black holes.
  • Estimate magnetic fields of neutron stars.
  • Study star birth regions and high energy processes in star systems lying beyond our galaxy.
  • Detect new briefly bright X-ray sources in the sky.
  • Perform a limited deep field survey of the Universe in the Ultraviolet region.
• Hence, statement 2 is correct.