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 ...

4
votes
2answers
171 views

Are the mirrors on O'Neill cylinders really feasible?

The classic O'Neill design for a cylindrical space colony has a cylinder four miles in diameter and 20 miles long, with three mirrors reflecting sunlight into the colony. To illuminate the whole ...
1
vote
1answer
45 views

Was that the space station I saw last night? [duplicate]

I was out on my front porch last night around 9pm looking up at the sky and noticed what I first thought was a star in the Eastern sky. It twinkled just a little too much for a star so I thought maybe ...
3
votes
0answers
54 views

How many tons of water is needed to surround ISS's living modules, so the rate of radiation exposure will be the same as on the surface of Earth?

If I understand correctly, it wasn't done because it's very expensive ($ per lbs) and there are no launch systems powerful enough for that? Also, could you please provide formulas and calculations? I ...
0
votes
0answers
36 views

Orbital Strap-on Boosters?

Have there been any proposals to launch a "space station" type of assembly into LEO, then send up some engines to get it to be able to move again? Take for instance something akin to the ISS, but much ...
5
votes
1answer
129 views

Practicalities of docking with a large spinning space station

We've all seen countless examples of spinning habitats in fiction. However there are certain practicalities with these space stations that I can't get my head around, namely around how you'd dock with ...
3
votes
0answers
58 views

What is the response to the criticism of LOP-G project by Zubrin and others?

Many people have aired criticism of the project (see here for some). Was there any response from the project's team or NASA regarding these criticisms?
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
222 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
190 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
221 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
136 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
63 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
134 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
76 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
188 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
182 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
212 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
105 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?
6
votes
2answers
234 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
2k 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
207 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
464 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
145 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
399 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
755 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
90 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
128 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
257 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
635 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
209 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
197 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
287 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
342 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
400 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
345 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
481 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
289 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
138 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
212 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
219 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 ...