The International Space Station - Earthrise
As I thought about the 100 billion dollar space station, orbiting the Earth today - with six astronauts on board. The product of 72 different nations working together. I wondered... what are they working on?What are they studying?
It seems that a top goal is to test technology that will allow humans to explore space without receiving supplies from Earth.
All water is recycled... Oxygen reused... and slowly the technology is developing so cargo ships may not need to resupply humans where they live in space.
Not long ago - crossing America meant some of the people we went with would die along the journey. Now, we are perfecting living in space.
A good place to see more interesting photos is the ISS calendar!
http://www.nasa.gov/pdf/506191main_2011%20ISScalendar-med.pdf
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