Worlds Within The Margin

Our solar system is only marginally stable, and also “filled to the brim” with planets. If you added another planet, the system would eject planets until it reached stability. During the disk accretion and the planetary embryo collisions, small variations determined the characteristics of the system, for example how many rocky planets would result from [...]

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European Non-Dinosaur Space Tourism

A Swiss-German undertaking. (Page in German but has pictures even if you don’t understand the language that makes it pretty clear.)
Small companies providing different expertise to the project. Liquid engines from SPL, Switzerland, airframe from Extreme Aircraft, a German Extra-like aerobatic plane maker. Prototype looks like an acrobatic plane with a rocket in the aft.
I’ll update more later.
Thanks for the link, spacetransportnews.com.

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