Gaganyaan Mission: Ensuring Safe Return of Indian Astronauts to Earth
The article details the process for the safe return of Indian astronauts from the Gaganyaan mission. The crew module, re-entering Earth's atmosphere at 7,800 m/s, will primarily shed kinetic energy through aerobraking. A multi-stage parachute system will then be deployed within 12 km of the ground to further reduce velocity for a soft landing. Sea landings are preferred by countries lacking vast empty territories, as water absorbs impact and allows for higher landing speeds (7-9 m/s). The landing zone is an elongated ellipse due to limited lateral control. Recovery operations, led by the Indian Navy, will involve predictive tracking, electronic signaling, and visual aids to locate and secure the module after splashdown in the Bay of Bengal.
Key Points
- The Gaganyaan crew module will re-enter Earth's atmosphere at 7,800 m/s, primarily using aerobraking to shed kinetic energy.
- A multi-stage parachute system will be deployed to further reduce velocity for a soft landing, with sea landings preferred for their impact absorption and higher tolerable speeds.
- The landing zone is an elongated ellipse due to the module's high re-entry speeds and limited lateral control.
- Recovery operations, led by the Indian Navy, will involve predictive tracking, GPS signals, homing signals, and visual aids to locate the module after splashdown.
- The module will splash down in the Bay of Bengal, with flotation bags automatically inflating and parachutes being released to prevent entanglement.
Exam Facts
- Gaganyaan crew module re-enters atmosphere at 7,800 m/s.
- A multi-stage parachute system will be deployed within 12 km of the ground.
- Sea touchdown speed is 7-9 m/s, compared to 1-2 m/s for land.
- The recovery operation will be led by the Indian Navy.
- The splashdown location for the Gaganyaan module will be the Bay of Bengal.
Read it. Retain it. Recall it.
Get spaced-repetition flashcards, daily quizzes and offline access — free on Android.