Chandrayaan-2 may get a 2nd shot after fixing snag

Helium is used in cryogenic engines that use oxygen and hydrogen as fuel, such as the Geosynchronous Satellite Launch Vehicle (GSLV) Mark III that will carry Chandrayaan-2, in pressuring the propellant tank to keep it from collapsing and to prevent the formation of bubbles.

from Hindustan Times - india https://ift.tt/2Sicvrz