Satspotting Adventures: Why Are Different Orbits Needed for Satellites?

Congratulations: perhaps you’re a new space-faring nation, looking to place a shiny new payload around the planet Earth. You’ve assembled the technical know-how, and seek to break the surly bonds and join an exclusive club that thus far, only contains 14 nations capable of indigenous spaceflight. Now for the big… » 4/04/15 11:15am 4/04/15 11:15am

A Tax On Smartphones Could Help Pay For The Removal Of Space Debris

So far, governments have opted to deal with the problem of space junk by implementing policies to reduce the creation of more debris. But that alone won't cut it — we also need to be removing stuff from orbit. One way to cover the high costs of space junk disposal would be a $1 tax on every GPS chip in a smartphone. » 12/15/14 1:40pm 12/15/14 1:40pm