Space/Science — HabitableZone

Space/Science » in reply to Moon vs. Mars: barking up the wrong trees

Re:space
Raoul — (archived)

Hmm, in space there are temperatures ranging from minus 150° to plus 150° Celsius.
There is no atmosphere, no gravity.
There are countless micrometeorites, human made debris hitting any object up there.
In space, there are solar flares, huge proton bursts, cosmic rays.
The space station is big and requires solar powered energy, therefore huge solar panels of a great size.
The space station is meant to last 15 years or more with as few replacements as possible as they cost so much.
The space station is manned, all the time, and is in orbit at 28,000 km/h speed and about 400 km from the ground where there's very little temperature differences and where all our man made objects have been mass produced for centuries.
Space is a new environment where no market exists, except for communication satellites, so things can't be that easily mass-produced.
Space is not as depicted in Heinlein's, Asimov's, or even Clarke's books, its much more hostile not only to our health but to the normal well known material properties we are familiar with.
Up to now, private companies that didn't want to depend on NASA in any way, haven't been successful.

Raoul

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