If you have read this far into the thread I doubt you are worried about spoilers so...
Was anyone else bothered by a gravitational slingshot around a star/black hole/plot device for travel to an in system planet? For those who don't know, gravitational slingshots try to translate angular velocity of the planets into a velocity gain for the space craft by dipping into the gravity well. Problem is you can't use a black hole or star to do that to get to one of the planets orbiting the same body (no relative angular velocity). No only that but the amount of delta v needed to bring down the periapsis is tremendous, if you are short on fuel and not planning a very long interstellar voyage (the target planet is not orbiting the thing you are slingshotting around) there are much lower delta v orbitals that would get you to the other planet.
Of course as a plot device so that you can have a love story take place at the end of the movie between two people who show absolutely no on screen chemistry during the movie after one of them falls into and out of a black hole (crossing time and space in the process while altering his own past and creating a time paradox because ... love is magical??? ... oh and this way we tie up another plot line back on earth) it still sucks.
Did anyone see any fuel tanks on this interstellar ship? Apparently F=qVe+(Pe-Pa)Ae does not apply when it might get in the way of a really bad unbelievable love story?
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