Difference between revisions of "Meso World"
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! ''High Density'' <br> (7.5 g/cm³) | ! ''High Density'' <br> (7.5 g/cm³) | ||
! ''Distance to Horizon | ! ''Distance to Horizon | ||
| + | ! ''Notes | ||
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| Mass: 0.170 Earths <br> Gravity: [[Gravity|0.685 G]] | | Mass: 0.170 Earths <br> Gravity: [[Gravity|0.685 G]] | ||
| Approximately [[Kilometer|3.6 km]] | | Approximately [[Kilometer|3.6 km]] | ||
| + | | [[Mars (SR 1827) (world)|Mars]] | ||
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| 5 | | 5 | ||
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| Mass: 0.335 Earths <br> Gravity: [[Gravity|0.855 G]] | | Mass: 0.335 Earths <br> Gravity: [[Gravity|0.855 G]] | ||
| Approximately [[Kilometer|4.0 km]] | | Approximately [[Kilometer|4.0 km]] | ||
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| − | |||
| − | |||
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| 6 | | 6 | ||
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| Mass: 0.915 Earths <br> Gravity: [[Gravity|1.020 G]] | | Mass: 0.915 Earths <br> Gravity: [[Gravity|1.020 G]] | ||
| Approximately [[Kilometer|4.4 km]] | | Approximately [[Kilometer|4.4 km]] | ||
| + | | | ||
|- | |- | ||
| 7 | | 7 | ||
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| Mass: 0.915 Earths <br> Gravity: [[Gravity|1.195 G]] | | Mass: 0.915 Earths <br> Gravity: [[Gravity|1.195 G]] | ||
| Approximately [[Kilometer|4.7 km]] | | Approximately [[Kilometer|4.7 km]] | ||
| + | | [[Venus (SR 1827) (world)|Venus]] | ||
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| 8 | | 8 | ||
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| Mass: 1.350 Earths <br> Gravity: [[Gravity|1.360 G]] | | Mass: 1.350 Earths <br> Gravity: [[Gravity|1.360 G]] | ||
| Approximately [[Kilometer|5.1 km]] | | Approximately [[Kilometer|5.1 km]] | ||
| + | | [[Terra]] | ||
|- | |- | ||
|} | |} | ||
Revision as of 13:44, 18 May 2025
Meso Worlds are worlds that have a medium diameter.
- The term specifically relates to solid (rocky) planets or worlds.
- It describes a physical characteristic of the world.
Description / Specifications
A very broad term used to describe the general size of a world. A meso world is likely to have a moderate surface gravity, depending on its density and mass.
General size code categories:
- Size Codes 0 or S: Planetoid.
- Size Codes 1-3: Small World.
- Size Codes 4-8: Meso World.
- Size Code 9 or more: Big World.
Probable Orbits
Meso worlds may be located within any region of a system. Meso worlds are occasionally moons of larger rocky worlds or gas giants.
History & Background
Planetary Characteristics
Additional details for meso worlds are provided below:
| Size Code |
Mean Diameter |
Low Density (3.5 g/cm³) |
Average Density (5.5 g/cm³) |
High Density (7.5 g/cm³) |
Distance to Horizon | Notes |
|---|---|---|---|---|---|---|
| 4 | 6,400 km | Mass: 0.080 Earths Gravity: 0.315 G |
Mass: 0.125 Earths Gravity: 0.500 G |
Mass: 0.170 Earths Gravity: 0.685 G |
Approximately 3.6 km | Mars |
| 5 | 8,000 km | Mass: 0.150 Earths Gravity: 0.395 G |
Mass: 0.245 Earths Gravity: 0.625 G |
Mass: 0.335 Earths Gravity: 0.855 G |
Approximately 4.0 km | |
| 6 | 9,600 km | Mass: 0.260 Earths Gravity: 0.475 G |
Mass: 0.420 Earths Gravity: 0.750 G |
Mass: 0.915 Earths Gravity: 1.020 G |
Approximately 4.4 km | |
| 7 | 11,200 km | Mass: 0.315 Earths Gravity: 0.570 G |
Mass: 0.670 Earths Gravity: 0.875 G |
Mass: 0.915 Earths Gravity: 1.195 G |
Approximately 4.7 km | Venus |
| 8 | 12,800 km | Mass: 0.620 Earths Gravity: 0.630 G |
Mass: 1.000 Earths Gravity: 1.000 G |
Mass: 1.350 Earths Gravity: 1.360 G |
Approximately 5.1 km | Terra |
References & Contributors / Sources
|
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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.
- Other Cites Pending
- External Link: Beowolf's Libary Data Website dead link (relevance pending, as site has not been archived)
- Lord (Marquis) and Master of Sophontology Maksim-Smelchak of the Ministry of Science