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Memory-beta

Up to date as of February 02, 2010

Memory Beta, the wiki for licensed Star Trek content.

The USS Enterprise flying into the atmosphere of Darien 224

The atmosphere is a gaseous blanket or envelope that surrounds a planet, held in place by the planet's gravity. The troposphere is the lowest of four distinct layers of atmosphere. The Ionosphere is one of the highest layers.

The atmosphere of the planetoid Darien 224 was sufficiently volatile that it precluded the use of transporters and allowed intermittent communications at best. Because of this, in 2254, the USS Enterprise was forced to fly into the atmosphere to get close enough to retrieve a landing party on the surface before the planet's surface was destroyed following the firing of a psionic weapon. (EV comic: "Cloak and Dagger")


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This article uses material from the "Atmosphere" article on the Memory-beta wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.

ST Expanded

Up to date as of February 07, 2010

The Star Trek Expanded Universe Database is for fanon and related content. See Memory-Alpha.org for the canon Star Trek wiki.

  1. REDIRECTmemoryalpha:Atmosphere

This article uses material from the "Atmosphere" article on the ST Expanded wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.

Starwars

Up to date as of February 04, 2010

From Wookieepedia, the Star Wars wiki.

The planet Alderaan had a Type I breathable atmosphere.

Atmospheres were collections of gases that surrounded a celestial body that possessed sufficient mass, and therefore sufficient gravity, to hold it. Examples included many planets, moons, and large asteroids. Almost all species in the galaxy needed some form of atmosphere to breathe. During the height of the Galactic Empire's colonial period, a system of classification for atmospheres was established. This system, which was afterward adopted by nearly all subsequent governments in the galaxy, separates atmospheres into four distinct categories:

Contents

Type I atmospheres

Breathable

Type I atmospheres had appropriate levels of oxygen, nitrogen, and hydrogen to be breathable by the majority of species in the galaxy. Some contaminants or other trace gases could have had long-term detrimental effects. Planets with these types of atmospheres almost always had some form of indigenous life. Plant life or some analog that frees oxygen was present on all planets with a Type I atmosphere—all oxygen in the atmosphere would have been bound to other elements within a matter of months without such life to free it up.

Type II atmospheres

Breath Mask Suggested

Type II atmospheres usually had appropriate levels of atmospheric oxygen and nitrogen. Due to lack of sufficient pressure or the presence of contaminants and other trace gases, however, these atmospheres usually caused detrimental effects to Humans and most other species over a shorter period of time. Many species could breathe Type II atmospheres without any trouble depending on physiology. Planets with a type II atmosphere usually supported some form of indigenous life.

Type III atmospheres

Breath Mask Required

Within Type III atmospheres, due to either the lack of appropriate levels of atmospheric oxygen, nitrogen, sufficient pressure, the presence of contaminants and/or trace gases, a breath mask had to be worn. For Humans and most other species, these atmospheres caused immediate or eventual impediments or even incapacitation. Some species could breathe these types of atmospheres depending on physiology, and biology. Planets with a Type III atmosphere sometimes supported native life.

Type IV atmospheres

Environment Suit Required

Type IV atmospheres were either toxic, flammable, or nonexistent; these types of atmospheres caused immediate incapacitation or death in most species of the galaxy. Few species could breathe in this type of atmosphere; planets with a type IV atmosphere rarely supported life.

Appearances

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This article uses material from the "Atmosphere" article on the Starwars wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.

Traveller

Up to date as of February 05, 2010

From Traveller Wiki - Science-Fiction Adventure in the Far future

The atmosphere code is a UWP code to represent the breathing environment encountered on the world. Some atmospheres require specific personal equipment for survival and protection.

Vacuum or Trace Atmosphere: The atmosphere has a pressure of less than 0.1 atmospheres, which requires the use of a vacc suit.

Very Thin Atmosphere: The atmosphere has a pressure of 0 1 to 0.42 atmospheres, which requires the use of a compressor to ensure sufficient oxygen.

Tainted Atmosphere: The atmosphere contains an unusual taint such as such as disease, a hazardous gas mix, pollutants, or sulfur compounds which requires the use of a filter mask. Tainted, very thin atmospheres require a combination respirator/filter mask for survival.

Thin Atmosphere: The atmosphere has a pressure of 0 43 to 0.70 atmospheres. The atmosphere is a standard oxygen/nitrogen mix, which is breathable without assistance.

Standard Atmosphere: The atmosphere has a pressure of 0.71 to 1.49 atmospheres. The atmosphere is a standard oxygen/nitrogen mix, which is breathable without assistance.

Dense Atmosphere: The atmosphere has a pressure of 1.50 to 2.49 atmospheres The atmosphere is a standard oxygen/nitrogen mix, which is breathable without assistance.

Exotic Atmosphere: An unusual gas mix which requires the use of oxygen tanks, but protective suits are not needed.

Corrosive Atmosphere: A concentrated gas mix or unusual temperature creates a corrosive environment, which requires the use of a protective suit or vacc suit.

Insidious Atmosphere: The atmosphere is similar to a corrosive atmosphere, but extreme conditions cause the corrosive effects to defeat any protective measures in 2 to 12 hours.

Dense, High Atmosphere: Pressure at or below sea level is too great to support life but is breathable at higher altitudes.

Ellipsoid: The world’s surface is ellipsoidal, not spherical. Because the atmosphere remains spherical, surface atmospheric pressure ranges from very high at the middle to very low at the ends Breathable bands may exist at some point within the range of pressure.

Thin, Low Atmosphere: The world is large and massive, with a thin atmosphere which settles to the lowest levels of the terrain. The atmosphere is unbreathable at most altitudes except the very low ones (as in depressions or deep valleys)

WORLD ATMOSPHERE
Code General Description Pressure (ATM)
0 Vacuum < 0.001
1 Vacuum (trace) 0.001-0.09
2 Vacuum (very thin tainted) 0.10-0.42
3 Vacuum (very thin) 0.10-0.42
4 Thin (tainted) 0.43-0.70
5 Thin 0.43-0.70
6 Standard 0.71-1.49
7 Standard (tainted) 0.71-1.49
8 Dense 1.50-2.49
9 Dense (tainted) 1.50-2.49
A Exotic varies
B Exotic (corrosive) varies
C Exotic (insidious) varies
D Exotic (dense, high) varies
E Exotic (ellipsoid) varies
F Exotic (thin, low) varies
Vacuum requires a vacc suit.
Tainted requires a filter mask.
Very thin requires a respirator.
Very thin tainted requires a combination respirator/filter mask.
This article was copied or excerpted from the following copyrighted sources and used under license from Far Future Enterprises and by permission of the author.
Book 2
Exotic Atmospheres

This article uses material from the "Atmosphere" article on the Traveller wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.

YCM

Up to date as of February 06, 2010

From Yu-Gi-Oh Card Maker Wiki

Atmosphere
Image:Back-EN.png
English: Atmosphere
Attribute: Spell Cards Image:Spell.png
Property: Field Image:Field.png
Card Lore: "Cloudian" monsters you control cannot be switched to Defense Position by your opponent's card effects. When you Special Summon a "Cloudian" monster, place 1 Fog Counter on it for each "Cloudian" monster on the field.
Card Limit: Unlimited
Other Card Information: Gallery - Rulings
Appearances
Tips - Errata - Trivia
Lores - Artworks - Names
Facts about AtmosphereRDF feed

This article uses material from the "Atmosphere" article on the YCM wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.

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