Difference between revisions of "Trace Atmosphere"

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== History & Background (Dossier) ==
 
== History & Background (Dossier) ==
 
'''Airless Worlds:''' A great many [[world]]s in [[Charted Space]] have an [[Atmosphere]] type of 0 (Vacuum) or 1 (Trace).  
 
'''Airless Worlds:''' A great many [[world]]s in [[Charted Space]] have an [[Atmosphere]] type of 0 (Vacuum) or 1 (Trace).  
−
* Although a [[trace atmosphere]] denotes a thin veneer of gasses around a world (such as [[Mercury (world)|Mercury]]), it is of such barely measurable pressures that it may as well be a [[vacuum]]. Animal and plant life is non-existent on an airless world, although exotic and incredibly rare examples of vacuum life might exist (…and certainly be worthy of an [[IISS]] Scout mission).  
+
* Although a [[trace atmosphere]] denotes a thin veneer of gases around a world (such as [[Mercury (world)|Mercury]]), it is of such barely measurable pressures that it may as well be a [[vacuum]]. Animal and plant life is non-existent on an airless world, although exotic and incredibly rare examples of vacuum life might exist (...and certainly be worthy of an [[IISS]] Scout mission).  
 
* Mainstream [[sophont]]s must resort to living in bubble cities, underground settlements and other artificial, sealed environments. It can be difficult for a scout to differentiate these vacuum habitats. Try to take note of distinctive features at these settlements such as interesting geographical locations: at the entrance to a huge mine, straddling a small meteorite crater, along the walls of a canyon, inside old lava tubes, in the caldera of an extinct volcano, inside a network of vast, natural caves ... and so on. {{Page cite|name=The Universal World Profile|page=15}}
 
* Mainstream [[sophont]]s must resort to living in bubble cities, underground settlements and other artificial, sealed environments. It can be difficult for a scout to differentiate these vacuum habitats. Try to take note of distinctive features at these settlements such as interesting geographical locations: at the entrance to a huge mine, straddling a small meteorite crater, along the walls of a canyon, inside old lava tubes, in the caldera of an extinct volcano, inside a network of vast, natural caves ... and so on. {{Page cite|name=The Universal World Profile|page=15}}
  

Revision as of 09:57, 1 March 2019

A Trace Atmosphere is a type of atmosphere with a pressure of less than 0.1 atmospheres, which requires the use of a vacc suit.

Description (Specifications)

Trace Atmospheres requires a vacc suit. The atmosphere has a pressure of less than 0.1 atmospheres, which requires the use of a vacc suit.

Surface Pressure & Water Properties

An atmosphere rated as Trace has a mean surface pressure ranging from 0.001 atm to 0.09 atm.

Surface Pressure & Water Properties
Surface
pressure 		Boiling point
of water
0.001 atm -19°C
0.04 atm 29°C
0.09 atm 45.5°C

History & Background (Dossier)

Airless Worlds: A great many worlds in Charted Space have an Atmosphere type of 0 (Vacuum) or 1 (Trace).

  • Although a trace atmosphere denotes a thin veneer of gases around a world (such as Mercury), it is of such barely measurable pressures that it may as well be a vacuum. Animal and plant life is non-existent on an airless world, although exotic and incredibly rare examples of vacuum life might exist (...and certainly be worthy of an IISS Scout mission).
  • Mainstream sophonts must resort to living in bubble cities, underground settlements and other artificial, sealed environments. It can be difficult for a scout to differentiate these vacuum habitats. Try to take note of distinctive features at these settlements such as interesting geographical locations: at the entrance to a huge mine, straddling a small meteorite crater, along the walls of a canyon, inside old lava tubes, in the caldera of an extinct volcano, inside a network of vast, natural caves ... and so on. [1]

References & contributors (Sources)

This list of sources was used by the Traveller Wiki Editorial Team and individual contributors to compose this article. Copyrighted material is used under license from Mongoose Publishing or by permission of the author. The page history lists all of the contributions.
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