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Old July 22 2013, 12:53 AM   #22
Metryq
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Re: Satellites in Space

publiusr wrote: View Post
An Orion pulse unit would be good against an asteroid in that, unlike a gravity tractor that means you have a long Rosetta style matching trajectory before you can even begin a mission.
Huh? I get what you're saying about the Orion engine, but the above sentence does not make grammatical sense. Are gravity tractors made by John Deere or Caterpillar?
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