All Questions
12 questions
2votes
2answers
274views
Where do the separated stages of ISRO Launch Vehicle Mark 3 (LVM3) end up?
ISRO Launch Vehicle Mark 3 (LVM3) is a three stage launch vehicle: First stage – S200 Boosters Second stage – L110 Third stage – C25 Where do each of these stages end up after a launch?
3votes
0answers
115views
Info needed on PSLV launch adaptors and configurations
I want to understand how satellites are accommodated in PSLV. I know about few configurations and adaptors that've been used in the past. Is there any document which gives detailed info on Multiple ...
4votes
1answer
190views
Does Article VI of the Outer Space Treaty apply to a Launching State?
The following question was asked and answered 3 years ago: might ISRO’s launch of Swarm’s satellites in 2018 be at least a technical violation of the Outer Space Treaty? Recall that the launch in ...
13votes
1answer
612views
What is the utility of this peanut-shaped ground facility?
The following image is from GSLV-F11 GSAT-7A Mission: Location: Second Launch Pad (SLP), Satish Dhawan Space Centre, Sriharikota, India. Please click here in case you want to see the image in ISRO's ...
5votes
1answer
353views
Acceleration Profile of PSLV and GSLV
What is the way to find out the acceleration profiles of IRSO's GSLV and PSLV from launch until achieving orbit?
2votes
1answer
956views
Why is ISRO's PSLV named "Polar"? Are there challenges for other inclinations?
The "P" in ISRO's PSLV stands for "Polar". Is there anything particularly "polar" about this launch vehicle, or is the use of the word in the name of the rocket more historical or for marketing ...
8votes
1answer
2kviews
What are the falling parts in this ISRO rocket launch?
ISRO launched IRNSS-1I satellite yesterday using its versatile PSLV-XL. In the launch video (from 00:35 to 00:40), within five seconds of the launch, many large parts of the rocket are seen to be ...
7votes
1answer
242views
How was it difficult for the PSLV to launch a record of 104 satellites?
Last year, ISRO launched 104 satellites successfully into orbit. People praised it as an 'astounding achievement'. Besides a more complicated-than-usual satellite deployment, what truly was ...
27votes
3answers
5kviews
Why do some rockets not ignite all their engines during liftoff? (GSLV MK3 LV)
As I understand it, a rocket should produce its maximum thrust on liftoff. As time progresses, the mass of the rocket will decrease, but since the engines produce the same thrust, the rocket will ...
11votes
3answers
3kviews
GSLV MK2 vs Falcon 9 - Reasons for Huge performance difference
Yesterday ISRO operated the GSLV MK2 launch vehicle, which is a medium lift launch vehicle with a capability to lift 5 tonnes to LEO. I just compared Falcon 9 with GSLV MK2. Falcon 9 capability to ...
35votes
6answers
11kviews
Why is there a "coasting" phase in some space launches?
During the PSLV (India's Polar Satellite Launch Vehicle) C24 launch on 4 April 2014, once stage 3 (PS3) had burned out, it wasn't immediately jettisoned, but instead there was a coasting phase for ...
7votes
2answers
821views
Is there any plan for ISRO to reach Venus?
After successfully completing the placement of the Mangalyaan into orbit, is there any plan for ISRO to launch a spacecraft to Venus ?