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====== Guide to Planets ====== | ====== Guide to Planets ====== | ||
- | This is a guide to help people better understand how to create planets, but also, what they can add to a planet to ' | + | This is a guide to help people better understand how to create planets, but also, what they can add to a planet to ' |
===== Creation Process ===== | ===== Creation Process ===== | ||
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== Public Domain Images == | == Public Domain Images == | ||
- | We also have some public domain images (from NASA) available here: [[http:// | + | We also have some public domain images (from NASA) available here: [[http:// |
- | {{public_domain_images: | + | {{by_license: |
== Other Useful Images === | == Other Useful Images === | ||
- | {{: | + | {{places: |
== Animated Planets == | == Animated Planets == | ||
- | [[guide: | + | Check the media manager. |
=== Special Features === | === Special Features === | ||
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* [[planet: | * [[planet: | ||
* [[system: | * [[system: | ||
- | * [[system: | ||
- | * [[system: | ||
* [[planet: | * [[planet: | ||
* [[planet: | * [[planet: | ||
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* 1144366345 blue white with cthonian, oceanworld | * 1144366345 blue white with cthonian, oceanworld | ||
* 1347243252 Cth | * 1347243252 Cth | ||
+ | * 1040686401 | ||
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====== Star Army Guide to Types of Planets ====== | ====== Star Army Guide to Types of Planets ====== | ||
| :!: **The following article is currently NOT APPROVED for in-character usage.** | | | :!: **The following article is currently NOT APPROVED for in-character usage.** | | ||
- | As seen on SARP's [[http:// | + | As seen on SARP's [[http:// |
The broadest way to classify planets is by their overall size. While size alone doesn' | The broadest way to classify planets is by their overall size. While size alone doesn' | ||
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Since helium and hydrogen are the two most common elements in the universe, worlds that are large enough to retain helium usually, but not always, grow large enough to also retain hydrogen, and become gas giants. ' | Since helium and hydrogen are the two most common elements in the universe, worlds that are large enough to retain helium usually, but not always, grow large enough to also retain hydrogen, and become gas giants. ' | ||
- | Gas giants themselves come in many sizes, from ten times the mass of a standard world to thousands of times that. Their moons are more likely to draw interest than the gas giant itself, though the radiation belts of gas giants can pose a significant hazard. The largest gas giants grow increasingly dense, eventually reaching the point where they ignite helium fusion in their cores, and become brown dwarf stars.\\ | + | Gas giants themselves come in many sizes, from ten times the mass of a standard world to thousands of times that. Their moons are more likely to draw interest than the gas giant itself, though the radiation belts of gas giants can pose a significant hazard. The largest gas giants grow increasingly dense, eventually reaching the point where they ignite helium fusion in their cores, and become brown dwarf stars. |
=== Units === | === Units === | ||
- | Before we can really talk in detail about exoplanets we need to have an understanding of units we use for Density, Temperature, | + | Before we can really talk in detail about exoplanets we need to have an understanding of units we use for Density, Temperature, |
- | The Average Density of a Planet is of course roughly a planets mass divided by the Approximate Volume it would have it it was a perfect sphere. | + | The Average Density of a Planet is of course roughly a planets mass divided by the Approximate Volume it would have it it was a perfect sphere. |
- | The Average Surface Temperature of a planet is measured in either degrees Celsius or degrees Kelvin. | + | The Average Surface Temperature of a planet is measured in either degrees Celsius or degrees Kelvin. |
The Planetary Mass like all masses is first and foremost measured in units of kilograms. | The Planetary Mass like all masses is first and foremost measured in units of kilograms. | ||
The table below highlights conversions between various mass units | The table below highlights conversions between various mass units | ||
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- planet with a silicon crust but completely lacking in a magnetic iron core, meaning it lack at magnetic field | - planet with a silicon crust but completely lacking in a magnetic iron core, meaning it lack at magnetic field | ||
=== Coreless Lava Worlds === | === Coreless Lava Worlds === | ||
- | Examples: Venus\\ | + | Examples: Venus |
=== Coreless Rocky Deserts === | === Coreless Rocky Deserts === | ||
- | Examples: Moon and most other planet barren moons\\ | + | Examples: Moon and most other planet barren moons |
==== Habitable Earth-like Planets ==== | ==== Habitable Earth-like Planets ==== | ||
- | Examples: Earth\\ | + | Examples: Earth |
- | Suggestions? | + | Suggestions? |
* [[planet: | * [[planet: | ||
=== Forest Planets === | === Forest Planets === | ||
- | Suggestions? | + | Suggestions? |
=== Swamp Planets === | === Swamp Planets === | ||
- | Suggestions? | + | Suggestions? |
==== Ice Rock and Ice Planets ==== | ==== Ice Rock and Ice Planets ==== | ||
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[[wp> | [[wp> | ||
- | Ocean planets; however, tend to cross over also more into other categories. | + | Ocean planets; however, tend to cross over also more into other categories. |
==== General Ocean World ==== | ==== General Ocean World ==== | ||
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Example Titan | Example Titan | ||
- | ====== Small Gas Giants | + | ===== Small Gas Giants ===== |
- | ^ **Mass:** ^ .13 - .30 MJ (12 - 96 ME) ^ | + | ^ Mass: ^ .13 - .30 MJ (12 - 96 ME) ^ |
^ **Density** ^ 250 - 2,000 kg/m3 ^ | ^ **Density** ^ 250 - 2,000 kg/m3 ^ | ||
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^ **Semi-major Axis**^ > 1 AU ^ | ^ **Semi-major Axis**^ > 1 AU ^ | ||
- | Examples: Neptune and Uranus\\ | + | Examples: Neptune and Uranus |
===== Hot Neptune ===== | ===== Hot Neptune ===== | ||
^ **Semi-major Axis**^ < 1 AU ^ | ^ **Semi-major Axis**^ < 1 AU ^ | ||
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Example: Corot-7b | Example: Corot-7b | ||
- | ====== Large Gas Giants | + | ===== Large Gas Giants ===== |
- | ===== Jupiter-like Gas Giants | + | ==== Jupiter-like Gas Giants ==== |
- [[wp>Gas giant]] | - [[wp>Gas giant]] | ||
Example: Saturn and Jupiter | Example: Saturn and Jupiter | ||
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- [[wp> | - [[wp> | ||
- | ====== Non-standard Planet Types ====== | + | ===== Non-standard Planet Types ===== |
Some planets do not fit into the general pattern, resulting from extraordinary cosmic events or works of artifice. | Some planets do not fit into the general pattern, resulting from extraordinary cosmic events or works of artifice. | ||
==== Artificial Planets ==== | ==== Artificial Planets ==== |