> If NASA had an unlimited budget, then by all means do it all. But unfortunately that's not the reality right now. It doesn't feel like NASA has a budget at a

> If NASA had an unlimited budget, then by all means do it all. But unfortunately that's not the reality right now. It doesn't feel like NASA has a budget at all. Sure, they probably know how much discretionary cash they can spend this year, but for large projects, don't they pitch them to Congress and get them approved or denied? Congress has effectively an unlimited budget, so if NASA have multiple exciting ideas, they "just" have to sell them each to the real bosses.