
Thursdays Carnival of Space was hosted by Dr. Pamela Gay over at Star Stryder, which had various posts ranging from Earth to Mars (and back again).
Some interesting posts included:
But the best post thus far was by Phil (from Phil for Humanity) who may have discovered a solution for removing space junk from among the heavens.
(Phil for Humanity) Since it is not economically feasible for a spacecraft to pick up all the pieces of space junk, then I recommend a laser that could vaporize or redirect space debris back to Earth. This laser would probably be most easily installed on the International Space Station, since it will need a huge supply of power that I think the space station could be upgraded to provide. Since only large objects can be detected and redirected by the laser, this solution would be limited.
Create massive blobs of aerogel or lightweight surfaces with huge surface areas so that space debris would impact and be stuck to. Since these objects would be in a slow decaying orbit, this would in affect be a large vacuum cleaner removing potential dangerous materials from space. Furthermore, aerogel would be most cost effective to launch into orbit and burn up completely in Earth’s atmosphere.
Instead of tossing trash away in space, like what was recently done onboard the International Space Station, use waste to create huge orbit junkyards surrounding the space station for additional shielding. These junkyards would additionally be storage locations for resources that future space missions could use if needed.
Note: Emphasis is from the author, Phil.
Although NASA (and the general space community) may not enjoy the idea of using additional space junk as a shield, using a laser to vaporize and/or redirect the orbits of these solar fragments may be much more appealing.
Coupled with a strong “sticky net” humanity may be able to clear the skies of these dangerous objects (of our own creation), lest we find ourselves unhappily stranded here on planet Earth.
(Image: Satellite destroying space junk. Credit: Space for Peace)
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