SFRPG

The forum for Science Fiction Role Playing Game inspiration and information! So Say We All!
It is currently Mon Dec 11, 2017 3:01 pm

All times are UTC




Post new topic  Reply to topic  [ 13 posts ]  Go to page 1 2 Next
Author Message
 Post subject: Mars habitability
PostPosted: Wed Jan 04, 2012 2:25 am 
Offline
Banned
User avatar

Joined: Tue Dec 13, 2011 4:52 pm
Posts: 252
rust wrote:
Is "habitable" in your definition limited to "shirt sleeve environment",
or does it include borderline habitable planets like Mars, too ?


Mars' lack of a molten core also means it lacks a magnetosphere, so it is heavily swept by the Solar Wind; which makes it uninhabitable, not just for stripping it's atmosphere away, but bombarding there with charged particles. It once did though and there is some remnant.

http://science.nasa.gov/science-news/sc ... st31jan_1/

_________________
Beyond The Frontier - a Classic Traveller campaign
We come spinning out of nothingness, scattering stars like dust.
-Rumi


Top
   
PostPosted: Wed Jan 04, 2012 10:40 am 
Offline
User avatar

Joined: Thu Jul 03, 2008 1:08 am
Posts: 3107
Location: Sonthofen / Germany
dragoner wrote:
Mars' lack of a molten core ...

The jury is still out on this, and there might be a surprise:
http://science.nasa.gov/science-news/sc ... rtiancore/

As for Mars' habitability, I was thinking in terms of plausible future
technology, which could include well shielded subterranean habi-
tats - not exactly a comfortable environment for humans, but al-
so not really an uninhabitable one, a borderline case.


Top
   
PostPosted: Wed Jan 04, 2012 10:49 am 
Offline
Administrator
User avatar

Joined: Thu Jul 03, 2008 1:22 am
Posts: 5295
To be fair, Mars is generally considered to be the most habitable planet in the solar system that isn't Earth. That doesn't mean it's actually habitable or even easy to inhabit, it's just the least bad of the bunch :).

_________________
SFRPG Owner/Admin
This post (or any other post I made here) may not be quoted or copied beyond the SF RPG boards without my explicit permission.
Check out the latest news from Spica Publishing!
evildrganymede.net - visit the The Worldbuilding Hub, and check out my Science Blog!


Top
   
PostPosted: Wed Jan 04, 2012 2:06 pm 
Offline
Banned
User avatar

Joined: Tue Dec 13, 2011 4:52 pm
Posts: 252
It is just a pet peeve of mine, people always seem to say that Mars is perfectly habitable, which it isn't. Then you get the awful movies like Red Planet with Val Kilmer...oh yeah, now you can breathe because of the nematodes flying through fields of algae.... :roll:

I'm reading Smoke Ring right now, which is a sequel to Niven's Integral Trees, now that is a strange evironment, probably not very possible. Does your program ever come up with very strange phenomena?

_________________
Beyond The Frontier - a Classic Traveller campaign
We come spinning out of nothingness, scattering stars like dust.
-Rumi


Top
   
PostPosted: Wed Jan 04, 2012 2:23 pm 
Offline
User avatar

Joined: Thu Jul 03, 2008 1:08 am
Posts: 3107
Location: Sonthofen / Germany
dragoner wrote:
Then you get the awful movies like Red Planet with Val Kilmer...

This is the one where NASA refused to give scientific advice because the movie's
science was too silly even for Hollywood standards. :roll:

I would recommend Kim Stanley Robinson's Red Mars novel as a "countermeasure",
it gives a rather good idea of Mars' actual (quite low) degree of habitability prior to
terraforming.


Top
   
PostPosted: Wed Jan 04, 2012 2:40 pm 
Offline
Banned
User avatar

Joined: Tue Dec 13, 2011 4:52 pm
Posts: 252
Those books aren't bad, I have read all three, though if I recall, he does skip over the lack of a magnetosphere. He does cite the lack of nitrogen another important issue and the terraforming stuff is great; which could be done in the future to a great degree.

_________________
Beyond The Frontier - a Classic Traveller campaign
We come spinning out of nothingness, scattering stars like dust.
-Rumi


Top
   
PostPosted: Wed Jan 04, 2012 3:06 pm 
Offline
User avatar

Joined: Thu Jul 03, 2008 5:47 am
Posts: 1805
Location: The Maze of Peril
dragoner wrote:
He does cite the lack of nitrogen another important issue.

One of my favourite bits in the books. People don't realise just how complex and slow to generate soil actually is. It's bad enough in these parts where we don't actually have any soil to speak of - everything is 'soil mix' or 'planting medium'. It would be insanely difficult to create enough soil to support a decent-sized colony even if you got all the other terraforming stuff done.

_________________
The AEON:engine™


Top
   
PostPosted: Wed Jan 04, 2012 4:02 pm 
Offline
Banned
User avatar

Joined: Tue Dec 13, 2011 4:52 pm
Posts: 252
It would be done with hydroponics and nutrients; EDG's system does show though how special and rare a planet like earth is. That would make Terraforming a very viable business, terraform a planet and sell land.

_________________
Beyond The Frontier - a Classic Traveller campaign
We come spinning out of nothingness, scattering stars like dust.
-Rumi


Top
   
PostPosted: Wed Jan 04, 2012 8:01 pm 
Offline
Administrator
User avatar

Joined: Thu Jul 03, 2008 1:22 am
Posts: 5295
rust wrote:
dragoner wrote:
Then you get the awful movies like Red Planet with Val Kilmer...

This is the one where NASA refused to give scientific advice because the movie's
science was too silly even for Hollywood standards. :roll:


Hey, I liked Red Planet! That was actually way more realistic than the god-awful "Mission To Mars", which did have a Planetary Scientist advising them. Hell, that had the bloody Face on Mars really being an alien construct, I think that's way more ridiculous than having some insecty things pump out oxygen into the martian atmosphere.

I know because a whole bunch of planetary scientists (including myself) watched it while we had a few hours off at the Lunar and Planetary Science Conferences in Houston in the year it came out. We stayed til the end credits and saw who advised them, and then we ribbed them mercilessly the next day when they chaired one of the conference sessions. His defence was "I tried to tell them, but they wouldn't listen!". :)

(this was split from the EDG's Ultra realistic systems thread)

_________________
SFRPG Owner/Admin
This post (or any other post I made here) may not be quoted or copied beyond the SF RPG boards without my explicit permission.
Check out the latest news from Spica Publishing!
evildrganymede.net - visit the The Worldbuilding Hub, and check out my Science Blog!


Top
   
 Post subject: Re: Mars habitability
PostPosted: Wed Jan 04, 2012 8:11 pm 
Offline
User avatar

Joined: Thu Jul 03, 2008 1:08 am
Posts: 3107
Location: Sonthofen / Germany
Ah, Mission to Mars. The only thing I liked about it were the reviews,
like this one in ReelViews: "Ineptly directed, badly acted, and scripted
with an eye towards stupidity and incoherence, the film is worthwhile
only to those who are in desperate need of a nap. And, as is often the
case when a big budget, high profile motion picture self-destructs, this
one does so in spectacular fashion." :twisted:


Top
   
Display posts from previous:  Sort by  
Post new topic  Reply to topic  [ 13 posts ]  Go to page 1 2 Next

All times are UTC


Who is online

Users browsing this forum: No registered users and 1 guest


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  
cron
Powered by phpBB® Forum Software © phpBB Limited