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 [space-station]

A space station (or orbital station) is a spacecraft capable of supporting a crew, which is designed to remain in space (most commonly in low Earth orbit) for an extended period of time. For questions about specific space stations (e.g. the ISS, MIR, Salyut 1-7, Tiangong or Skylab), please use ...

2
votes
0answers
30 views

What happens to the space station during a solar flare / magnetic storm? [duplicate]

What are the effects on the ISS during a solar flare / magnetic storm? The news often warns that satellites could be affected during a storm. Does the ISS have special protections for that danger?
0
votes
2answers
217 views

Water Compressed on Space Station

I have heard rumors that they use compressed water to save space on transportation to the space station. Is there any possibility of this occurring at any point in space travel history?
4
votes
0answers
147 views

Which astronaut has experienced the largest relativistic shift in time (relative to the surface)?

Following this answer and then this question (where I've linked to Cosmonaut Sergei Krikalev; the World's Most Prolific Time Traveller) I've noticed that currently Krikalev does not hold the precisely ...
5
votes
2answers
210 views

What is the timespan for a block of Phobos to reach a low orbit around Mars with a solar sail?

Edit: Although this question has been marked as a duplicate of this one about solar sail thrust calculation, they are different because I ask about a solar sail that has an orbital trajectory and ...
3
votes
0answers
49 views

What particles does the space station have to worry about?

I've heard things like "even a paint chip can damage the space station" and I wanted to know to what extent that was true. I imagine the best characterization is what is the minimum momentum or ...
5
votes
1answer
127 views

Has the Earth's shadow on the Moon (lunar eclipse) ever been photographed from Space?

The questions Has the Moon's shadow on the Earth (solar eclipse) ever been photographed from beyond Earth orbit? Is this the only eclipse where Moon's shadow on the Earth (umbra) has been ...
0
votes
0answers
60 views

Kalpana One Habitat scaled up

Was wondering since this is such a stable simplified structure compared to all other designs pretty much, but just small, how does it scale? Specifically 1km and 4km radius. Population estimate ...
2
votes
2answers
128 views

Space station Freedom - purpose (specialisation) of pressurized modules

A project of Space station Freedom had a long evolution and eventually ended as US segment of International Space Station. For ISS we know specialisation of pressurized modules. What were purposes ...
3
votes
0answers
66 views

What is the minimum diameter to spin a space station to generate 1 G without affecting human vertigo [duplicate]

Thinking about the mars mission. If we had 2 equal weight capsules, how far apart would they need to be to generate 1 earth gravity and not affect the crew. I know from riding the round up when i was ...
8
votes
2answers
186 views

What is the current state of commercial space stations?

Many years ago, in the 2005 - 2010 area, it seemed like there were a lot of proposals to create commercial space habitats. These included inflatable modules, usage of spent fuel tanks, and ...
5
votes
1answer
160 views

Silly concept: repurposing BFS into a spin-gravity habitat

The idea is the following: Launch four passanger carrying (but empty) BFS and a fifth, (satellite deploying version) which carries the central hub, outfitted with spin-up engines. Then manouver the ...
1
vote
2answers
204 views

Energy solutions for space [closed]

One of the primary methods of creating power in space is by solar panels. However upon reading more about silicon based solar panels I got to know how even small dust particles can ruin the whole ...
1
vote
0answers
97 views

How to size Solar Array for Mars Surface

Good morning everyone, I am working on a project for my university where we need to perform a PrePhase A study for a Mars Infrastructure for Propellant production as a means of support for future ...
3
votes
2answers
1k views

Why are centrifuges not used on the space station? [duplicate]

The low tech county fair ride in the picture below is a centrifuge. How difficult would it be to send modified one like this picture to space? It could spin on non bearing engine indefinably to ...
4
votes
0answers
168 views

Where to stream online Tiangong 1 descent?

Are there going to be good free live streams of the descent and if so is there much to be seen anyway?
5
votes
2answers
228 views

How are impact probability maps rigorously calculated?

This is one example of an impact probability map. It was posted in this question and is from Aerospace Corporation. But My question is about the process, not this particular map, although it is a good ...
13
votes
2answers
1k views

Tiangong-1 reentry impact place probabilities

Following all the news concerning Tiangong-1, I have seen the following plot made by the Aerospace Corporation where Blue area: null probability of impact Yellow area: high probability of impact ...
6
votes
2answers
202 views

Why is the International Docking Adapter limited to mother ships and shuttles in a set mass range?

The IDSS ( International Docking System Standard) is a docking standard that every Docking adapter should follow. According to its latest revision: Vehicles using this interface may include light ...
5
votes
2answers
395 views

Why does NASA use freeze-dried food for the ISS?

I watched a short documentary on youtube how NASA workers shop in a supermarket or order products, then get meals like spaghetti cooked at their facilities to be freeze-dried and vacuum-sealed for the ...
4
votes
2answers
142 views

What was going to lift the components of Space Station Freedom?

For the Space Station Freedom (predecessor of ISS), what was the plan for lobbing the various components up into orbit? Was it going to be launched on a modified Saturn V like Skylab was, or were the ...
4
votes
2answers
389 views

Did Tiangong-1 turn the engines on?

The following graph shows the Tiangong-1 radius vector at the perigee, semi-major axis and apogee (scaled to 6371 km just to show an approximate altitude) and its orbit eccentricity: I used the SGP4 ...
7
votes
3answers
740 views

Building space stations with the original, smaller shuttle

In an answer to a recent question we see a plan for many space stations as part of a space infrastructure, with a surface-to-low-Earth-orbit reusable shuttle as another part. This shuttle eventually ...
1
vote
0answers
88 views

Centrifugal Space Station design

If a Space Station designed around centrifugal forces being essential for gravity was to be constructed similar to the fans of a helicopter blade like the image below, how would it differ from a ...
1
vote
1answer
127 views

Can fractional distillation of pure air take place in a space settlement? [closed]

Is it a feasible method of obtaining different gases - such as nitrogen and argon - in space to form the composition of a normal atmosphere in the space settlement?
2
votes
2answers
178 views

Are there any protocols the space station follows if there is an Earth-wide catastrophe?

Are there any protocols the space station (or any space explorer) follows if there is a massive catastrophe on Earth where the responsive parties on the ground would not be available for support/...
5
votes
2answers
250 views

Did any astronaut take a Bible into space?

I am wondering if any astronauts took a copy of the Holy Bible into space. I know the crew of Apollo 8 read part of Genesis 1 in space, but I am wondering if anyone took a full Holy Bible into space.
2
votes
3answers
573 views

My height is 5 feet and weight is 55 kg. Can I be a NASA astronaut?

My dream is to be a NASA astronaut. I am a 16 year old girl from India, my height is currently 5 feet, and my weight is 55kg. Can my height and weight create problems in fulfilling my dream?
4
votes
1answer
206 views

Have any space stations experienced a total solar eclipse?

Have any space stations experienced a total solar eclipse [edit: with the moon blocking out the sun, and seen from the vicinity of the Earth *sigh*]? Otherwise, will any manned satellites pass through ...
4
votes
1answer
182 views

How much radiation shielding would be required for a habitat at Mercury–Sun L5?

Given an O'Neill "Island Three" style cylindrical habitat located at Mercury–Sun L5 orbit, how much radiation shielding would be required to protect the occupants, and how would it need to be ...
1
vote
1answer
284 views

Is this the only eclipse where Moon's shadow on the Earth (umbra) has been photographed by a person in space?

In this nice video musing about (among other things) the US Naval Observatory's $3,500 expedition to Baker City or at least Baker County Oregon to observe the June 18, 1918 solar eclipse, there is ...
13
votes
3answers
2k views

Has a spacecraft ever docked with the same space station twice in one mission?

Has a spacecraft ever docked with the same space station twice in one mission? This is the "corollary" to the question How many times has a spacecraft docked with two or more different space stations ...
3
votes
2answers
339 views

How many times has a spacecraft docked with two or more different space stations during a single mission?

According to this answer, Columbia is the only Space Shuttle not to have docked with more than one space station. For the other shuttles, I think at least most of the time they only docked with one ...
5
votes
2answers
394 views

Could the Soyuz/Progress supply and crew a space station in Lunar orbit?

The Soyuz launcher can put about a third of the mass in low Earth orbit compared with Proton, Falcon 9, Ariane 5, Atlas V. Is that enough to crew and resupply a space station in Lunar orbit, or at an ...
7
votes
4answers
329 views

How is a Deep Space Gateway station in Lunar orbit helpful for going to Mars?

I'm reading that NASA plans to use a Deep Space Gateway, a space station in some kind of Lunar or Lagrange orbit, in order to send astronauts to Mars. How does such a "gateway" assist human ...
14
votes
4answers
2k views

Have space station modules already been replaced?

After reading this question, I understand that it is simpler to replace a space station than to repair it in order to continue its activity. All modules in a space station may not have the same ...
5
votes
2answers
446 views

docking options for a rotating space station

Given a cylindrically-shaped space station rotating at 1-2 rpm (Stanford Torus, as an example) what are the engineering considerations regarding docking? The central hub would be the logical docking ...
8
votes
1answer
285 views

Are there other companies than Bigelow Aerospace planning to offer a space hotel?

After reading up on the matter I noticed that there currently are only two options to remain in space for longer than a few hours: International Space Station (US and Russia) assembled in orbit: ...
4
votes
1answer
133 views

Is there any non-Russian support for Russia's conceptual OPSEK?

I'm interested in the stated goals of Russia's Orbital Piloted Assembly and Experiment Complex. It appears NASA is not entirely on board, but still amicable about the concept of using elements of the ...
5
votes
2answers
2k views

Why is tethered artificial gravity hardly ever considered?

When you ask about rotating artificial gravity (yes, yes, technically radial acceleration), most answers boil down to "you'd need a 200m diameter spacecraft, and we can't build that yet" But, of ...
13
votes
5answers
4k views

Why does the material for space elevators have to be really strong?

If the space elevator platform (The very top) is orbiting a planet in a geosynchronous orbit, wouldn't the forces on the elevator "rope" be minimal?
33
votes
1answer
5k views

Why does there appear to be a 180-degree stereo microphone array outside the ISS?

I was watching a feed on the latest footage of Hurricane Matthew as seen from the ISS just now, relayed from NASA TV. Suddenly, I spotted something poking out of the ISS hull in the footage that ...
3
votes
3answers
192 views

When and how will the Chinese spacestation reenter? [duplicate]

China's first space station Tiangong-1 is expected to deorbit in late 2017. Are NASA or others tracking it? What is its position and condition at present time?
4
votes
1answer
208 views

How can I determine if a rotating space station is stable

How can I determine if a rotating thin shell cylinder space station is stable? Its dimensions are: radius = 895m length = 1150m thickness of the shell = 15m The ...
5
votes
1answer
216 views

Which are the space station projects for a Mars mission using the current propulsion technology capabilities?

Which are space station projects for a Mars mission using the current propulsion technology capabilities? Many space station concepts are designed by artists before for missions beyond Earth. But ...
1
vote
1answer
149 views

What are the challenges of a large Bola style Habitat

A quick calculation for 1g spin gravity at a leisurely 1 round per 20min gives a radius of 360km. Assume, we find a strong enough material for lightweight cables, what are the challenges for ...
3
votes
2answers
175 views

Was the Salyut 3 (OPS-/Almaz-2) the only spacecraft to feature a space-to-space gun?

Wikipedia indicates that the Salyut 3 was launched with a gun, which could have been used in self-defense or against other satellites, and which was actually tested after the last crew had departed in ...
8
votes
5answers
3k views

Do 3D printers in space stations mean a significant cost reduction?

I just watched a VSauce2 video, at the end of which certain NASA animations were shown about some of their recent innovations. One of them included use of printers in the ISS. Do they actually mean a ...
23
votes
2answers
3k views

Why did Salyut 7 freeze over, while ISS requires massive cooling system?

The cosmonauts from Soyuz T-13 mission "wore winter garb, including fur-lined hats, as they entered the station." "Frost covered the walls and apparatus. " Essentially, the heat balance of Salyut 7 ...
1
vote
1answer
347 views

Why does N2YO list Tiangong 1 as an ISS satellite? Is it just a mistake? yes/no?

The page http://www.n2yo.com/satellites/?c=2 which lists "ISS SATELLITES" includes Tiangong 1. Since it looks to me like all of the other objects are associated with ISS, and Tiangong 1 is a different ...
9
votes
1answer
603 views

Largest inhabitable volume in space

When you look at space ships, capsules and stations, one thing that is lacking in space is… space. As in: pressurized volume a human can freely move in. Most are tiny tin cans. So I was wondering, ...