Activity for Bob Kerman‭

Type	On...	Excerpt	Status	Date
Question	—	How many satellites would we have to launch to create an artificial set of rings around Earth Saturn has rings of debris which orbit it, and it is possible to get a satellite into an orbit that will at least last a few years, so my question is as follows; How many satellites (or just the pure volume of material if it is easier) would we have to launch into a temporary orbit (unless a permanen... (more)	—	about 5 years ago
Question	—	What type of planet where non-aerodynamic space launch vehicles are possible What would be the approximate gravity, atmosphere etc. of a planet for a species to never make or use launch vehicles with rounded shapes like tapering cylinders, because they make use of the increased carrying capacity of a cubic/rectangular prism shaped spacecraft in contradiction to the problems d... (more)	—	about 5 years ago