Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [procedure]

Questions about the steps in a process, or what procedures exist for a space exploration activity.

5
votes
1answer
130 views

What are some practices Space Exploration that are no longer acceptable?

I'm sure that for every good idea that made it into a spaceship design, there had to be plenty of bad ideas. There's most likely a bunch of old designs (or practices) that passed previously, but would ...
12
votes
3answers
3k views

Will the January 2018 government shutdown affect the Falcon Heavy launch?

The Falcon Heavy is currently undergoing testing at Kennedy Space Center's Pad 39A, which SpaceX is leasing from NASA. The hold-down test firing, according to the previously-linked article, may occur ...
14
votes
1answer
2k views

What would the procedure be in the event of a collision warning on the ISS

In the event of something accidently being placed into the same orbital path as the ISS and on an imminent collision course, assuming it would be an object with the potential to cause some damage or ...
41
votes
1answer
7k views

Does the ISS have a watch system with at least one person monitoring at all times

Does the ISS keep a standing watch with one person always up and awake and monitoring while the others sleep, or do all the astronauts sleep and work and they all get alerted in case of issues beyond ...
60
votes
4answers
13k views

Why do ISS crew members often cross their arms?

I am watching live stream from ISS to follow the return of two ISS crew members, Thomas Pesquet and Oleg Novitskiy. At several moments, they crossed their arms in a not really natural way: Why do ...
23
votes
2answers
8k views

Are all rockets sent to ISS blessed by a priest?

When the last batch of astronauts were sent to ISS, I read that the crew and rocket were blessed by a priest. Was this a one-time thing, or is it standard?
4
votes
2answers
196 views

What do scientists see when they track space probes?

First, I already understand the basics of radio communication at this point, as that is all I've found searching elsewhere on the web for my question. (For example, How does NASA get information from ...
6
votes
2answers
426 views

Is the inner airlock hatch kept open in-between spacewalks on the ISS?

Clarification: I'm talking about the INNER airlock door. Keeping the airlock closed in-between spacewalks sounds safer: In case of accidental puncture of the outside of the module, this has no ...
12
votes
2answers
3k views

What was this Ziploc bag used for on an Apollo 14 moonwalk?

And how the heck would an astronaut have opened it with his gloves on? Is that bag likely to still be there in good condition, or would it have been broken down by radiation by now? Was it normal to ...
11
votes
4answers
2k views

What decides if a launch has to be done instantaneously or during a window?

What determines if a launch has to be done instantaneously or has a launch window of minutes or hours? To what parts is it about celestial and ground issues? Just one example of alleged switching ...
13
votes
1answer
725 views

How would civilians send snacks to the ISS crew?

Today I saw a video in which ESA astronaut Samantha Cristoforetti teaches us how to make pitas in space, and invites us to try to make them at home. I understand that much of the food on the ISS is ...
33
votes
3answers
3k views

What would NASA have done if they knew Columbia was catastrophically damaged?

When the Columbia Shuttle broke apart in 2003, it was known after the launch that a piece of foam had fallen and hit the Shuttle. NASA apparently chose not to investigate it as well as they could have....
6
votes
2answers
2k views

Do astronauts only perform spacewalks while the ISS is on the night side of the Earth?

Do International Space Station astronauts have to perform spacewalks only while its not facing the Sun directly? If so, I'm curious about the reason behind it. Is it only because they would be ...
6
votes
1answer
385 views

Emergency plan for Soyuz missions

Recent ISS Cargo delivery via Progress ship was a failure, and it seems that Russian mission control lost the cargo ship completely. Since Progress ship is basically the same design as Soyuz: What ...
17
votes
2answers
5k views

Why were Space Shuttle astronauts able to walk off the orbiter?

I am watching loads of ISS related videos and there is one detail I recently noticed; At the time, when Space Shuttles were still in operation and visiting ISS, when astronauts returned home, they ...
14
votes
3answers
5k views

Why do ISS astronauts use lower quality microphones for official radio communication than for PR events?

In the first seconds of this video you can see/hear ISS astronaut Samantha Cristoforetti prepare for a PR event: During the preparation she uses two different ...
5
votes
1answer
764 views

Does Star Trek's adherence to naval tradition have roots in NASA or earlier real organizations?

I know this sounds off topic, but bear with me. This is a question about real world space agencies. Is it well established that Star Trek follows naval tradition. For example its ranks come from ...
3
votes
1answer
2k views

What exactly were the controller roles in the Apollo go/no-go calls?

In the Apollo era, whenever there was a significant event about to occur, the flight director (I can recall the voice of Gene Kranz) would do a sort of go/no-go "roll call". He would call off names ...
3
votes
1answer
135 views

Short EFT-1 missions launch window

I have been following the Orion flight test this morning hoping that the engineers could finally manage to launch the spacecraft on time and I was disappointed when the scrubbing was communicated. ...
8
votes
2answers
208 views

How are accidents involving rockets and space vessels investigated?

There have been two accidents in the past week, the Antares launch of Orbital Science's CRS-3 mission, and the test flight of SpaceShip Two that went awry, resulting in the death of one of the two ...
12
votes
2answers
3k views

Why do they say “go” and “no go”

I'm sure we're all familiar with the go/no go standard phrasing for reporting whether something is OK or not. Having a standard phrasing clearly makes comprehension easier and more reliable, ...
12
votes
1answer
760 views

With one out of two Thermal Control Systems on ISS malfunctioning, how long can Loop B keep up with increased load?

International Space Station (ISS) is in trouble again. One of the two Thermal Control System (TCS) loops (Loop A) is malfunctioning due to a troublesome Flow Control Valve (FCV). This is nothing new ...
11
votes
3answers
774 views

Has any spacecraft had a way for the crew to escape during reentry?

All manned spacecraft to date have come back to Earth eventually, and when they do it's through a flaming ball of plasma. It seems too probable that this plasma would have a way of breaking things ...
17
votes
1answer
946 views

Why have a 10 minute pause at T-4 minutes?

I was watching the United Launch Alliance (ULA) Atlas 5 rocket launching NASA's MAVEN (Mars Atmosphere and Volatile EvolutioN) to Mars today, and the countdown contained a planned 10 minute pause at T-...
17
votes
1answer
1k views

Why are three cosmonauts required to move a Soyuz?

The opening paragraph of this article caught my eye*: Three space station crew members put on spacesuits and boarded their Soyuz spacecraft Friday for a short trip to relocate the capsule to a new ...
15
votes
5answers
1k views

How are multiple launches handled?

A spacecraft may launch with multiple payload, as is evidenced by How does a single rocket place multiple satellites into orbit? This question however is not about multiple payload carried in a ...
22
votes
1answer
9k views

What are the procedures aboard the ISS in the eventuality of a loss of a crew member?

So far, all the space exploration related events that resulted in Loss of Crew (LOC) took a complete crew, and as far as we're aware, no accident in space that resulted in loss of human life, be it ...