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Old July 9th 18, 07:42 PM posted to sci.astro.research
Eric Flesch
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Default Spaceship Oumuamua

On Mon, 02 Jul 2018, Martin Brown wrote:
That is an interesting question though. Did the approach trajectory look
planned to take advantage of the position of any of the gas giants to
get a slingshot assist? That *would* favour ET being involved.


For interstellar travel, the Sun itself can be used for a slingshot
assist for (say) travelling outwards in the Galactic disk. The key
question, I think, is whether the object approached on a similar
vector as the Sun's but travelling a bit faster so as to catch up to
the Sun..