Exquisite Tweets from @sevensixfive, @kazys, @paulmison

Have we launched interplanetary ships w/ turnaround yet? Or are they all still running on ballistics w/ adjustment, insertion, & splashdown?

#1 2:14am Apr 2nd 2012 via web

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@sevensixfive nope, no turnaround, too much fuel required.

#2 2:57am Apr 2nd 2012 via Twitter for iPad in reply to sevensixfive

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@kazys: right? Using gravity slingshots instead.

#3 2:59am Apr 2nd 2012 via web in reply to kazys

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@sevensixfive check out the trajectory if mercury messenger.

#4 3:00am Apr 2nd 2012 via Twitter for iPad in reply to sevensixfive

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@sevensixfive @kazys I forget the exact maths but deceleration mass carries something like a fourth power penalty- you accelerate it twice.

#5 6:16am Apr 2nd 2012 via Tweetbot for iOS in reply to sevensixfive

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@paulmison @kazys no easy answers in space travel.

#6 2:08pm Apr 2nd 2012 via web in reply to paulmison

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@paulmison @kazys: @cstross has an excellent breakdown on related topics here: antipope.org/charlie/blog-s…

#7 2:10pm Apr 2nd 2012 via web in reply to paulmison

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@sevensixfive @paulmison I think Hayebusa may be an exception, if you call a visit to an asteroid interplanetary. en.wikipedia.org/wiki/Hayabusa#…

#8 2:35pm Apr 2nd 2012 via Twitter for iPad in reply to sevensixfive

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Earth and Moon as seen from 183 mil. km by Mercury Messenger: upload.wikimedia.org/wikipedia/comm… (indirectly via @kazys)

#9 3:13am Apr 2nd 2012 via web

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@sevensixfive whoa.

#10 3:14am Apr 2nd 2012 via Twitter for iPad in reply to sevensixfive

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@kazys: Those stars! And what are the moving objects in the upper right?

#11 3:15am Apr 2nd 2012 via web in reply to kazys

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