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Worlds Without End Blog

SF Manga 101: Planetes and 7 Billion Needles Posted at 8:15 AM by Glenn Hough


Glenn Hough (gallyangel) is a nonpracticing futurist, an anime and manga otaku, and is almost obsessive about finishing several of the lists tracked on WWEnd. In this series on SF Manga Glenn will provide an overview of the medium and the place of science fiction within it.

space debris Over the last several years, there have been a few articles published on space junk. This is an issue which generally simmers in the background of space travel, with the occasional additional emphasis period. Some of those articles focus on the need for treaty work to help limit the amounts of new junk added to the ever expanding cloud, while others talk about ways in which junk could be cleaned up with robot satellites specifically designed for that purpose. There are approximately 22,000 pieces of space trash being actively tracked. The experts think that there are in the neighborhood of 500,000 objects in the 1 to 10 cm size range which aren’t being tracked. A 1 cm size object, like a hexagon nut for instance, doesn’t sound very dangerous, but this nut is traveling at orbital speed. Do the words “Explosive Decompression” mean anything to you?

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