
What is the success/failure ratio of space bound rockets?
94% success is over a long history of rocket development. More recently, launching agencies have refined their designs and processes to achieve really high reliabilities. Atlas II through Atlas V have …
What is the purpose of the jets of water often under rocket engines ...
54 I have watched several STS launches, and noticed that there were always huge jets of water that would begin right before the rocket engines lit. They were right under the rocket, mounted to the pad. …
What are the main steps in the lead-up to a rocket launch?
Feb 2, 2015 · Pre-launch checks. Starting up the rocket: switching on its internal power sources, starting the rocket's control systems etc. Starting the engines and checking if they work properly. Launch. …
launch - Does launching rockets produce a sonic boom? - Space ...
Jun 25, 2019 · I've been watching rocket launches, and the commentator often remarks when the vehicle has gone supersonic. There is presumably a sonic boom at this point, right? Is it just that we …
launch - Can a rocket be launched while it rains? - Space Exploration ...
Mar 3, 2014 · 22 All videos of rocket launches I ever saw were performed in clear weather conditions. I also read many reports about launches which were delayed because of bad weather conditions. …
Why are rocket launches so loud? - Space Exploration Stack Exchange
Aug 26, 2016 · So, fundamentally, why are rocket launches so loud? What components of a rocket motor firing contribute to the tremendous noise? I understand that a tremendous amount of energy is …
How far does the sound of a rocket launch carry?
10 Having never been to a rocket launch, can you tell me how far the sound carries? I can hear the rumble of F-15 Eagles take off from inside my office building five miles from the airport. An F-15C is …
What is the vapour/smoke that comes from a rocket before launch?
Nov 29, 2016 · While a rocket is waiting on the platform during the final countdown, it often seems to have clouds of steam or something similar escaping from it. Is this normal, and what are these clouds?
From how far away can one see a NASA rocket launch?
Nov 15, 2022 · Here's a map that shows the general visibility for Antares launches (that was the rocket the weatherman was talking about, although it won't be flying again until 2016): I once watched a …
Day versus night launches - Space Exploration Stack Exchange
Jul 30, 2013 · Many launches have a designated launch time window necessitating a narrow period in which the launch must be made. The launch might fall only during the night or day period depending …