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Questions about the ISS (International Space Station), a habitable man-made low Earth orbit satellite whose first component was launched in 1998 and used to conduct experiments for a wide variety of research fields in a microgravity environment.
10
votes
2
answers
852
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Does any site track the mass of the ISS?
Watching the daily ISS live broadcast from NASA the PRO mentioned the specific mass of the ISS complex (today) and what it would be when the Soyuz leaves shortly. … Its obviously important for repositioning burns to know the mass of ISS any time. Is this made available on a continuous basis (via NASA, ESA, Roscosmos etc)? …
29
votes
What is the difference between docking and berthing on the ISS?
The berthing and docking ports on the ISS are of different shapes and dimension and can thus be used to transfer different volumes of cargo. …
12
votes
Accepted
How are hatches set up in the common berthing mechanism (CBM)?
There are several kinds of hatches on the ISS to permit many different kinds of vessels and modules from different sources to connect to the station. … The ISS is equipped with both active and passive CBM nodes. …
4
votes
Why isn't a centrifuge used for astronauts on the space station?
In the ISS this compression stress is simulated with ample exercise which when combined with a calcium and vitamin D enriched diet provides an element of compensation. …
7
votes
1
answer
336
views
Will Soyuz TMA-16M have the most experienced crew?
I was looking at the names of the crew for Soyuz TMA-16M (for the year long expedition) and I was thinking "wow that's an experienced crew!".
I looked up their combined experience and it shows as: …
6
votes
Will Soyuz TMA-16M have the most experienced crew?
I've crunched the numbers and can answer; my gut feeling was good, and in all 299 manned launches, no crew has a greater combined amount of time in space. My top 10 crew experience table is:
Soyu …
17
votes
Accepted
How does ISS protect astronauts from Coronal Mass Ejections?
bricks
Water storage bags attached to the walls making a "water wall"
High densities of hydrogen are good at radiation protection, and water is a good hydrogen source that needs to be stored on the ISS … The radiation protection was modelled as part of the design:
Future deep space missions propose to utilise water storage walls as part of their design following from experiences on the ISS. …
7
votes
What kinds of things have been tossed out of the ISS?
To add to the list, don't forget the large Ammonia Tank that Clay Anderson jettisoned in his EVA (23 Jul 2007):
Source: The Living Moon
Further jettison 27th January; Glover has just tossed the Colum …
12
votes
If there's a hole in Zvezda module, why didn't all the air onboard immediately escape into s...
It is easy to conduct simple home experiments, or even do them as thought experiments to determine the answer to this question.
Think of a child's balloon. Inflate the balloon with air whilst holding …
21
votes
Accepted
Can X-37B dock with the ISS
Yes and no. The current X-37 as flown by the US Air Force is not equipped with any docking ports (PMA, CBM or APAS) as described by @geoffc, nor does it have an attachment for the SSRMS (aka Canadarm) …