Prelims Level
Mains Level
Prelims Syllabus : Mains Syllabus :

Why in News?

All modules of Chandrayaan-2 are getting ready for launch in July 2019.

Chandrayaan-2 mission:

  • Chandrayaan-2, India’s second lunar mission, has three modules namely Orbiter, Lander
    (Vikram) & Rover (Pragyan).
  • The Orbiter and Lander modules will be interfaced mechanically and stacked together as an integrated module and accommodated inside the GSLV MK-III launch vehicle.
  • The Rover is housed inside the Lander. After launch into earth bound orbit by GSLV MK-III, the integrated module will reach Moon orbit using Orbiter propulsion module.
  • Subsequently, Lander will separate from the Orbiter and soft land at the predetermined site close to lunar South Pole.
  • Further, the Rover will roll out for carrying out scientific experiments on the lunar surface. Instruments are also mounted on Lander and Orbiter for carrying out scientific experiments.

Accomplishments of Chandrayaan-1:

  • India’s first lunar probe Chandrayaan-1 was launched by the ISRO in October 2008 and operated till August 2009.
  • The Chandrayaan-1 had confirmed the magma ocean hypothesis, which stated that the moon was once completely molten.
  • In its ten-month orbit around the moon, Chandrayaan-1 had detected titanium and had confirmed the presence of calcium.
  • Chandrayaan-1 had gathered the most accurate measurements yet of magnesium, aluminium and iron on the lunar surface.
  • Share Socially