if to flood Mars with water...
if to cover Mars with certain
species of plants that grows
exponentially to convert
CO2 into breatheable air.....
1. magnetosphere.
2. protect from radiation.
3. create water.
4. grow plants using water.
5. convert Co2 to breatheable air.
6. create eco-system in water.
7. use water to grow food.
(food eco-system)
etc......
If only to use the metals on other
planets to create something that
helps terraformation of Mars ----
(but does not have monetary value)
even then, the concept that it is
'infinite' in nature and 'free'.
(minus the resource taken to get there,
time, and workforce)
it's worth it.
i mean, how much will it cost
to build 1000 giant biomechanical
hands with 1000 laser guns
that can affect the atmosphere
for instance. xD
it would be x1000 more if it were 'free'.
most likely, all the materials
and components are out there....
even if to be brought back to
earth for processing.....
..............probably this don't
make much sense. xD
ok. it must turn to profit.