Activity for johnDanger‭

Type	On...	Excerpt	Status	Date
Answer	—	A: How could a self contained organic body propel itself in space An additional problem is how to stop rotation. Differences in albedo (reflectivity) and (inevitable in a vacuum) offgassing rates on the surface of asteroids has been known to cause them to spin up to the point of breaking apart. A method for redistribution of mass,changing of shape, or off-axis prop... (more)	—	over 5 years ago