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 [...]
Archive for February, 2008
Worlds Within The Margin
Posted in Astronomy, Science, tagged astrobiology, drake equation, extrasolar planets, milky way, solar system, stability, sun like on Monday 2008.02.18 | Leave a Comment »
European Non-Dinosaur Space Tourism
Posted in Suborbital, tagged space tourism, spl, Suborbital, swiss propulsion laboratory, talis institute on Friday 2008.02.15 | Leave a Comment »
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.
