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Worldbuilding

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    $\begingroup$ So you don't want answers like "There's a terrorist in the building!"? $\endgroup$
    – Frostfyre
    Commented Dec 14, 2016 at 15:42
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    $\begingroup$ @Frostfyre If you could show that there would be terrorist threats unique to space, I'd definitely take that, but that's in general also an issue on Earth airports, too. $\endgroup$
    – HDE 226868 ♦
    Commented Dec 14, 2016 at 15:42
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    $\begingroup$ You're asking this about the same universe as space pirates and you wonder why there might be delays $\endgroup$
    – Kys
    Commented Dec 14, 2016 at 15:43
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    $\begingroup$ @Kys In what I can only refer to as the Golden Age of Piracy, I'm guessing there weren't too many shipping delays because of piracy. In theory, it's a threat you can't predict. You can only hope for the best, and deal with it when it happens. $\endgroup$
    – HDE 226868 ♦
    Commented Dec 14, 2016 at 15:45
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    $\begingroup$ @njzk2 Moving about in space is all about orbits, and to change orbit you have to change your speed. The faster you're moving, the higher your orbit. Different types of fuel provide different amounts of thrust per unit of mass they have. If you have two amounts of fuel "1kg of Foo", "2kg of Bar" there's no easy way of comparing them without knowing more information. So instead of using an amount of fuel, you use an amount of change in speed. This is known as delta-v. So it takes roughly 3.6 km/s delta-v to get from earth to mars.en.wikipedia.org/wiki/Delta-v $\endgroup$
    – Reinstate Monica
    Commented Dec 15, 2016 at 13:32