Linked Questions

13
votes
3answers
8k views

Would unpainted iron or steel rust in space?

Iron and steel are made primarily of the same substance and they tend to rust. I believe other materials like non-ferrous metal are generally preferred for their lighter weight and strength, in most ...
20
votes
4answers
2k views

Any possible setbacks in deorbiting larger space junk and let it burn up upon reentry into atmosphere?

Space junk, orbital debris, or space waste pose a risk on functional satellites and space laboratories / stations in orbit around Earth. According to Wikipedia: Currently about 19,000 pieces of ...
14
votes
2answers
2k views

Do solar panels on satellites gather dust and need cleaning?

As a follow-up to Does cosmic dust pose a problem for long-term satellites, telescopes and probes?, assuming satellite's long duration stay in Earth's orbit – let's for the sake of argument assume a ...
21
votes
1answer
4k views

How is the International Space Station protected against orbital debris?

ISS is at an altitude of about 400 km (approximately). But there will be some of space debris at that altitude (since some of the space debris orbits decay over time). So the debris has a probability ...
14
votes
2answers
367 views

How fast do optical surfaces get dirty or damaged in space?

These answers: (1, 2) to Do things get dirty in space? mention the Hubble Space Telescope but if I understand correctly refer to the outside of the telescope rather than its optical surfaces. Answers ...
13
votes
1answer
1k views

Melanized fungi on the ISS - are they 'enjoying' the elevated radiation levels there?

The end of this excellent answer lead me to Wikipedia which linked to The blacker the better… especially in Chernobyl and Chernobyl Fungus Feeds On Radiation. One passage in 'blacker the better' ...
17
votes
1answer
3k views

What would happen to the ISS if we stopped maintaining it?

What would happen if the astronauts on the ISS stopped maintaining it, and no further vehicles or remote control commands were sent up from the ground? I'd like to know what systems would stop working,...
11
votes
1answer
731 views

Could the ISS pressurized elements withstand a full depressurization?

In case of necessity -- for example in case of fire or contamination -- is it possible for any pressurized element of the ISS to be exposed to vacuum? If all compartments and airlocks were to be ...
12
votes
1answer
727 views

If all people come home from the ISS for how long would it remain usable?

I assume that if everyone left the ISS, there is a method that can be used to put people back on it. For example to open the “door” from the outside. However how long could the ISS remain ...
5
votes
0answers
236 views

Why is the Aeolus space laser losing power so quickly?

The BBC News article Aeolus: Wind-mapping space laser is losing power says that Europe's Aeolus satellite was launched last year to gather data to improve weather forecasts, and its observations have ...
3
votes
0answers
178 views

What is the life expectancy of Starman and his car? [duplicate]

What is the life expectancy of starman and his vehicle if they either reach mars, or somehow miss and remain in space?
2
votes
0answers
66 views

Has one satellite's outgassing ever affected another satellite in the same fairing? Documented examples?

At about 01:31 in Scott Manley's new video RocketLab & Reusable Rockets - Plasma Knifes, Ballutes, Helicopters and... Elephants he says: This occurs during a ...