Activity for johny5w‭

Type	On...	Excerpt	Status	Date
Question	—	You emerge from a wormhole into a brand new star system, how long does it take to accurately map all orbital bodies? Imagine we could open a wormhole or a jump point to a new star system. How soon would it be possible to have an accurate map of the major bodies in that system? In sci-fi, this sort of information seems to be easily available through "scanning the system" but what does that actually mean? What sor... (more)	—	over 7 years ago
Question	—	What is a good way to estimate the mass of spacecraft? I am trying to design spacecraft with realistic mass estimates, so that I can "accurately" design fuel requirements and calculate potential speed. Obviously the mass of a ship is going to vary widely based on in its dimensions and purpose (a 500m long freighter will have a very different mass than a... (more)	—	over 8 years ago