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Old September 13th, 2007, 05:07 PM
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Default Expanding Atmosphere Types

Let's say you wanted to expand the stock set of breathable atmospheres from 5 to 10. What would you add? All such types have to be feasible for energy production/storage use by large organisms. Noble gases like Argon are right out. None is an exception, naturally.

The stock list is;

None, O2, Methane, Hydrogen, CO2

My current list of candidates is:

Ammonia, SO2, Chlorine

Consideration of Nitrogen transformed into a more suitable (in my eyes) Ammonia. Fluorine was considered, but it is possibly too reactive. More importantly, it would end up with the same exact color planet as Chlorine (pale yellow-brown), which would make it visually indistinct in-game.
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Old September 13th, 2007, 06:25 PM
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Default Re: Expanding Atmosphere Types

H2O (water vapor or ocean planets)

Also, you could go to mixes of gases:
H/He (Jupiter and Saturn), H/He/CH4 (Uranus and Neptune), N2/O2 (Earth), N2/CH4 (Titan), etc.
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Old September 13th, 2007, 07:16 PM
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Default Re: Expanding Atmosphere Types

...Nitroglycerin?

Or how about a species that relies on a radioactive planet to absorb energy?
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Old September 13th, 2007, 08:31 PM
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Default Re: Expanding Atmosphere Types

I like the water and radiation ideas... not technically "atmospheres" but neither is "none", and it never hurts to be creative!
Of course, dolphins would argue that Earth is a water planet, not an oxygen planet...
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Old September 13th, 2007, 09:06 PM
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Default Re: Expanding Atmosphere Types

Quote:
Of course, dolphins would argue that Earth is a water planet, not an oxygen planet...
So would Magellan.

Other atmospheres - Nitrous, Argon, Fluorine, Bromine

Add sodium as well.

From Google:
Three satellites of the outer planets possess atmospheres. Titan, a moon of Saturn, and Triton, a moon of Neptune, have nitrogen atmospheres. Another moon of Saturn, Enceladus, has an atmosphere composed primarily of water. Other bodies within the Solar System with extremely thin atmospheres are the Moon (sodium gas), Mercury (sodium gas), Europa (oxygen) and Io (sulfur). The dwarf planet Pluto also has an envelope of nitrogen and methane as it approaches close to the Sun, but these gases are frozen for most of its orbit.
Google Atmosphere
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Old September 13th, 2007, 10:02 PM
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Default Re: Expanding Atmosphere Types

Quote:
Fyron said:
Let's say you wanted to expand the stock set of breathable atmospheres from 5 to 10. What would you add? All such types have to be feasible for energy production/storage use by large organisms. Noble gases like Argon are right out. None is an exception, naturally.
I don't quite see why noble gasses are necessarily ruled out. It doesn't quite fit into the current game mechanics, but it is conceivable to have lifeforms that depend on a non-reactive but pressurized atmosphere.
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Old September 13th, 2007, 11:21 PM

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Default Re: Expanding Atmosphere Types

Unless there is intended to be some gameplay variation (e.g. cost/capacity of domed colonies varying by planet atmosphere), what purpose would be served in adding further types?
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Old September 13th, 2007, 11:26 PM

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Default Re: Expanding Atmosphere Types

Also, generally speaking, as far as the atmosphere types go, wouldn't they just specify what the 'majority' gas is? Although going by that, the earth is a nitrogen planet since our atmosphere is about 78% nitrogen and only about 20% oxygen. In any case, with the exception of 'none', I don't think any planet has an atmosphere that consists solely of one gas.
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Old September 14th, 2007, 12:02 AM
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Default Re: Expanding Atmosphere Types

Variety is the spice of life.
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Old September 14th, 2007, 01:09 AM
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Default Re: Expanding Atmosphere Types

I am wary of using combinations of gases without redoing the existing atmosphere types to match (eg: Oxygen/Nitrogen instead of just Oxygen). I'm not sure if people would generally prefer combinations or just single gases.

StarShadow said:
Also, generally speaking, as far as the atmosphere types go, wouldn't they just specify what the 'majority' gas is?


SE4/5 specify atmosphere as the gas respirated by the sentient race of the planet. SE3 was a bit different, with atmospheres like Oxygen/Nitrogen, Argon, Carbon Dioxide/Nitrogen, Hydrogen/Helium, Chlorine and None.

Will said:
I don't quite see why noble gasses are necessarily ruled out. It doesn't quite fit into the current game mechanics, but it is conceivable to have lifeforms that depend on a non-reactive but pressurized atmosphere.


If we can't think of anything (consistent) to fill the 10th slot, I would be willing to go with Argon for historical reasons.

AstralWanderer said:
Unless there is intended to be some gameplay variation (e.g. cost/capacity of domed colonies varying by planet atmosphere), what purpose would be served in adding further types?


What purpose was served by adding red giant systems? Neutron stars? 20 different kinds of nebulae systems stemming from 11 storm colors? Swirling WP graphics? Electrostorms?
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