Activity for o.m.‭

Type	On...	Excerpt	Status	Date
Question	—	Maintaining a Moon Suit The Apollo-era A7L Extravehicular Mobility Units were used for less than eight hours at a time, within a few days, with a maximum of three moonwalks per mission. Assume a fictional moonbase with 1960s-era technology, with some reason to have frequent surface activity. What are the limits on suit mai... (more)	—	over 5 years ago
Answer	—	A: How practical is it to capture an asteroid? As Michael pointed out, it is delta-V and not distance which matters. Since drives to nudge the orbit of an entire asteroid are going to be expensive, people might be tempted to cut corners by aerobraking. The engineers will reassure the concerned public that they've run the numbers hundreds of time... (more)	—	about 9 years ago