International Space Station

Re: International Space Station

Postby out in space on Thu May 09, 2013 8:30 pm

Astronauts on the International Space Station have discovered a leak of ammonia coolant on their orbiting habitat, and NASA is looking into the problem, though it poses no immediate danger to the crew, officials said Thursday.

The space station uses chilled liquid ammonia to cool down the power systems on its eight giant solar array panels. A minor leak of this ammonia was first noticed in 2007, and NASA has been studying the issue ever since. In November 2012 two astronauts took a spacewalk to fix the problem, rewiring some coolant lines and installing a spare radiator due to fears the original radiator was damaged by a micrometeorite impact.

http://science.nbcnews.com/_news/2013/0 ... -says?lite

Five years to study this before fixing it? Talk about slow on the pick up.

Okay, shut down the loop within 24 hours, but poses no danger to the astronauts, anyone else buying this one? Maybe if they had stopped studying for 5 years and actually tried to solve it from the start they wouldn't be in this mess.
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Re: International Space Station

Postby inflate on Sat May 11, 2013 7:32 pm

Two US astronauts have replaced a pump on a spacewalk aimed at fixing a leak of ammonia from the International Space Station's cooling system.

Chris Cassidy and Tom Marshburn completed the work an hour ahead of schedule, reporting no further escape. The crew had spotted particles of ammonia drifting away from the laboratory on Thursday.

http://www.bbc.co.uk/news/science-environment-22492521


Fixed until the next time, right? Why didn't they fix it when the problem first
showed up?
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Re: International Space Station

Postby out in space on Mon Jan 27, 2014 1:49 pm

UrtheCast will post near-real-time video on its website and sell images. The company envisions customers wanting video feeds for environmental, agricultural and humanitarian purposes.

The company expects that it will take three months to calibrate the cameras, and that the system should be fully operational by summer.


http://www.nbcnews.com/science/russians ... 2D11999561


This takes "big brother" is watching to a whole new level. I wonder if they will show just how clear the images will be if they get this up
and running.
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Re: International Space Station

Postby burnt fare on Thu May 01, 2014 6:41 pm

Given that astronauts have to launch or to return via Russia to/from the ISS, I understand that the current Russian actions in Ukraine have caused Russia to, shall we say casually emphasize, its role in transporting people to the ISS? The US 'nauts may have to deal with fallout from US government actions against Russia.
So much for glasnost in space.
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Re: International Space Station

Postby pysanky on Sat May 03, 2014 1:21 pm

Will be much space scrap if Russians not keeping agreement to lift US astronauts to station or take them home. Each section of station has different country's name and design, yes? Cannot be at peace on Earth and not in space either.
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Re: International Space Station

Postby CielOnTap on Tue Dec 05, 2017 6:50 pm

A germophobe would not like being on the International Space Station. There are lots of germs or microorganisms on site.
The samples were taken from 15 sites on the station, including the audio terminal unit microphone, air vents, the tab used to close the privacy panel on the crew sleep compartment. These locations broadly correspond to places found in a terrestrial home — the audio terminal unit is like a telephone; the air vents, which suck up dust and debris, are similar to doorsills where dust bunnies gather; the privacy panel tab vaguely resembles the knob on the door to your bedroom.

The microbe samples were packaged and flown to Earth, where the scientists at UC Davis sequenced their genomes. In each sample, they identified between 1,036 and 4,294 operational taxonomic units — a biological measure used to classify closely related organisms that roughly reflects the number of species. Then they compared what they found with results from surveys of the microbiomes of humans and their homes.

https://www.washingtonpost.com/news/speaking-of-science/wp/2017/12/05/the-international-space-station-is-super-germy/?tid=sm_tw&utm_term=.71a466c1aa83
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