> I can say as fact that "rock analyses and probe pictures" = GPS. No, sorry. NASA does some stuff that has valuable and practical Earth applications, but it's

> I can say as fact that "rock analyses and probe pictures" = GPS. No, sorry. NASA does some stuff that has valuable and practical Earth applications, but it's false to equate that stuff with ""rock analyses and probe pictures:" the former can be done without the latter. > I could go on and on, but, it is 100 percent true to say that we would not have the life we have today where it not for NASA. That may be true, but it's a long time since NASA space-exploration tech has had a large amount of impact on Earth-bound technology.