• UGI USER
  • Feb 27, 2024
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AHEAD OF GAGANYAAN, ISRO’S CE-20 ENGINE ALREADY HAS A NOTABLE LEGACY:

Why in the news?

ISRO’s successful human-rating of the CE-20 engine marks a crucial advancement in India’s space capabilities, particularly for the upcoming Gaganyaan mission.

source:toi

About Ahead of Gaganyaan: ISRO’s CE-20 Engine

  • ISRO’s CE-20 engine symbolises post-US sanction achievements in 1980s.
  • Missions like Chandrayaan-2, Chandrayaan-3, and OneWeb used CE-20.
  • CE-20: Indigenous cryogenic engine for GSLV Mk III (LVM-3).
  • It uses liquid hydrogen for higher exhaust velocity.
  • Hot-fire tests ensure reliability.
  • Human-rating assures stringent component standards.
  • CE-20’s legacy is marked by mission roles and testing.
  • Next: uncrewed Gaganyaan test flight, mid-2024.
About India’s other Chandrayaan Missions

Chandrayaan-1 (2008):

●  Aimed for lunar mapping and mineralogical analysis.

●  Launched using PSLV-C11.

●  Discovered water and hydroxyl on the moon’s surface.

Chandrayaan-2:(22 july ,2019)

●  Comprised Orbiter, Lander, and Rover.

●  Launched by GSLV MkIII-M1.

●  The Orbiter found water signatures across lunar latitudes despite the lander crash.

Chandrayan -3

·    Chandrayaan-3 is India’s third lunar mission aiming for a soft landing on the moon.

·    Launched on July 14, 2023, from Satish Dhawan Space Center.

·    Components include a Lander module, Propulsion module, and Rover.

·    Objectives: Safe and Soft Lunar Landing, Rover exploration, and in-situ scientific experiments.

Human Missions:

●   Astronauts land on the moon’s surface.

●   Only NASA achieved this, with six landings from 1969 to 1972.

●   NASA’s Artemis III, scheduled for 2025, signifies humanity’s return to the moon.