1. Exquisite Tweets from @sevensixfive, @paulmison

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

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    sevensixfive

    Fred Scharmen

  2. Protected tweet: 186633332472295424
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  3. sevensixfive

    Fred Scharmen

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

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    paulmison

    Paul Mison

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

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    sevensixfive

    Fred Scharmen

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

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    sevensixfive

    Fred Scharmen