Archive for the ‘On this day in science’ Category
 
Posted in International, Just Cool, On this day in science, Science by Courtney on November 2nd, 2012
 

On this Day in Science is a DNA 11 blog series featuring historical discoveries, births, or news in the science or genetics world.

Twelve years ago today, the International Space Station finally began operation two years after it was officially launched into orbit.  The station has roughly the same volume as a five-bedroom house and can hold up to six crew members at a time. It’s still in use today, and has housed astronauts and cosmonauts from over a dozen different nations. Via National Geographic:

The International Space Station is an orbiting laboratory and construction site that synthesizes the scientific expertise of 16 nations to maintain a permanent human outpost in space.

While floating some 240 miles (390 kilometers) above Earth’s surface, the space station has hosted a rotating international crew since November 2000.

Astronauts and supplies are ferried by … the Russian Soyuz and Progress spacecraft. Astronauts who reach the facility aboard one of these missions typically live and work in orbit for about six months.

Simply by spending time in orbit, astronauts reveal much more about how humans can live and work in space. Crews have learned the difficulties of diet, in a world in which their sense of taste is decreased, and of getting a good night’s sleep while secured to a non-floating object.

But the crew is also occupied with a full suite of scientific experiments, the ongoing improvement and construction of the station, and a rigorous regime of physical training. Astronauts must exercise for two hours each day to counteract the detrimental effects of low gravity on the body’s skeleton and circulatory system.

COOL FACT: The state of Texas passed a piece of legislation in 1997 allowing US astronauts to vote even if they were serving a mission in space. To this day, American occupants of the ISS can “beam” down their ballots via a secure electronic system.

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