Green Futures Tuesday: Space: the final frontier in recycling #gfstu

This event in the Green Futures Tuesday series was arranged on February 28th 2012, at 4pm GMT, by the Department of Green Innovations and Solutions.


Anna Simpson



Coming up now! 15 tweets on Space: the final frontier in recycling. Join us with #gfstu or visit
4:21 PM
1. Recycling & upcycling initiatives are springing up everywhere – in art, fashion, home decorating… Yes, even in outer space! #gfstu
4:22 PM
2. There’s lots of old junk orbiting the Earth, enough to create a collision hazard for expensive new satellites. What to do with it? #gfstu
4:23 PM
3. All those abandoned solar arrays, antennae & comms devices originally cost around $300bn… And a lot of it would still work. #gfstu
4:24 PM
4. Better than bringing it all back to earth: a new outer space clean-up project is planning to reuse old satellites in situ! #gfstu
4:26 PM
5. The Phoenix mission is treating geostationary orbit like a spoil tip that can be ‘mined’ for spare parts. #gfstu
4:27 PM
6. Sounds expensive, but could work out cheaper than putting new payloads into orbit, which costs c. $20,000 per kilo. #gfstu
4:27 PM
7. In 2015, robotic tools controlled from earth will dismantle & reconfigure a satellite, while still in orbit. #gfstu
4:28 PM
8. A mother ship will strip antennae and other things off defunct satellites (with the owners’ permission!) #gfstu
4:28 PM
9. These will be coupled up with satlets (little newly launched parts) to make new working systems. #gfstu
4:28 PM
10. Who’s behind it? The US military, but the Defense Advanced Research Projects Agency wants to make it a collaborative project. #gfstu
4:30 PM
11. DARPA is calling for participation from international / non-traditional space communities in “vital tech areas”. #gfstu
4:30 PM
12. Sectors that could benefit include micro-electronics, robotics, imaging, connectivity, manufacturing & data storage. #gfstu
4:31 PM
13. Promising! but the space junk industry is not (yet) fully focused on recycling. #gfstu
4:31 PM
14. NASA also has projects for zapping debris with earth-based lasers, or sending solar-powered satellites on clean-up missions. #gfstu
4:32 PM
15. There could be mileage, too, in ‘simpler’ mobile repair stations to get failing comms satellites back into use. #gfstu
4:32 PM
Read more about ‘Space: the final frontier in recycling’ @GreenFutures #gfstu
4:33 PM
RT @svtwuni: Coming up now! 15 tweets on Space: the final frontier in recycling. Join us with #gfstu or visit
4:51 PM
That was fun! 15 tweets on Space: the final frontier in recycling. #gfstu @SvTwuni
5:13 PM

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