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| + | [[File:TerraformedNeptune-US2.png|thumb|300px|How a terraformed Neptune could look like, made in Universe Sandbox 2 by Jeansowaty.]]'''Neptune''' is a gassy ice giant. This would make it difficult to terraform, but not impossible. |
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| + | ==Changing the atmosphere== |
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| + | Neptune has a rich abundance of hydrogen and helium in its atmosphere. Underneath this is a rocky core with a mass of 1.2 [[Earth]] masses. Terraforming Neptune would be extremely difficult, requiring most of the atmosphere to be removed. Once the core is left, it would be given a new atmosphere using the [[Oxygen|oxygen]] from the [[Water|water]] collected, [[Nitrogen|nitrogen]] from the [[Ammonia|ammonia]], and [[Carbon dioxide|carbon dioxide]] using carbon from [[Methane|methane]]. A heat source would need to be added to sustain habitable temperatures. Since Neptune's magnetic field would be weakened once the water-ammonia layer is gone, some extra protection may be needed (like an ozone layer). The Neptunian core is slightly larger than Earth, so it would have enough gravity to hold onto an atmosphere. |
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| − | | class="diff-addedline" |[[File:TerraformedNeptune-US2.png|thumb|300px|How a terraformed Neptune could look like, made in Universe Sandbox 2 by Jeansowaty.]]Neptune is an icey gas giant. That doesn't mean it's impossible to terraform. Neptune has a rich abundance of hydrogen and helium in its atmosphere. It has a rocky core with a mass of 1.2 [[Earth]] masses, that would require terraforming. Terraforming Neptune would be extremely difficult. Blasting off much of its layers and leaving the core would currently be impractical. But that step would only be first. As the atmospheric layers are slowly removed, (and potentially used for fusion with any excess hydrogen and helium added to Saturn or Jupiter) Neptune's mantle of methane, ammonia and [[water]] would be collected and stored. Since this layer is between 10 and 15 Earths in mass, the bulk of which could be used to create multiple moons around Neptune each of which more massive than Earth with the potential for life there with their oceans. The orbits of the moons would need to be close to each other and Neptune to take advantage of the increased heat from tidal forces. And once the core is left, it would be given a new atmosphere (using the Oxygen from the Water collected, Nitrogen from the Ammonia, and Carbon from Methane); then a heat source to sustain stable temperatures. Since its magnetic field would be weakened once the water-ammonia layer is gone, some extra protection may be needed (like an ozone layer). The low elevations of Neptune's core would be filled with water. The new atmosphere would need to be composed of mainly nitrogen and carbon dioxide. The addition of breathable oxygen will also be needed. The Neptunian core is only slightly larger than Earth, so holding on to the atmosphere wouldn't be a problem. If the core of the rocky core melts, Neptune's core can be active and have plate tectonics. Life can exist here for billions of years. Neptune may need to be renamed "Nearth" or "Nepth". |
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| + | ==Creating more moons== |
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| − | [[File:TerraformNeptune-1.jpg|thumb|400px|Terraformed Neptune (far right) with Titan as a moon to restart the dynamo.]] |
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| + | [[File:TerraformNeptune-1.jpg|thumb|453x453px|Terraformed Neptune (far right) with Titan as a moon to restart the dynamo.]]And that would only be the first step. As the atmospheric layers are slowly removed, (and potentially used for fusion with any excess hydrogen and helium added to Saturn or Jupiter), Neptune's mantle of methane, ammonia and water would be collected and stored. This layer is between 10 and 15 Earths in mass, the bulk of which could be used to create multiple moons around Neptune, each one more massive than Earth and with oceans that could support life. The orbits of the moons would need to be close to each other and Neptune to take advantage of the increased heat from tidal forces. |
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[[Category:Planets]] |
[[Category:Planets]] |
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| + | [[Category:Gas Giants]] |
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| + | [[Category:Ice Giants]] |
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| + | [[Category:Planets with Moons]] |
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| + | [[Category:Planets with moons]] |
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| + | [[Category:Terraformable]] |
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| + | [[Category:Colonizable]] |
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| + | [[Category:Paraterraformable]] |
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| + | [[Category:Paraterraforming Candidates]] |
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Revision as of 19:05, 15 February 2022
How a terraformed Neptune could look like, made in Universe Sandbox 2 by Jeansowaty.
Neptune is a gassy ice giant. This would make it difficult to terraform, but not impossible.
Changing the atmosphere
Neptune has a rich abundance of hydrogen and helium in its atmosphere. Underneath this is a rocky core with a mass of 1.2 Earth masses. Terraforming Neptune would be extremely difficult, requiring most of the atmosphere to be removed. Once the core is left, it would be given a new atmosphere using the oxygen from the water collected, nitrogen from the ammonia, and carbon dioxide using carbon from methane. A heat source would need to be added to sustain habitable temperatures. Since Neptune's magnetic field would be weakened once the water-ammonia layer is gone, some extra protection may be needed (like an ozone layer). The Neptunian core is slightly larger than Earth, so it would have enough gravity to hold onto an atmosphere.
Creating more moons
Terraformed Neptune (far right) with Titan as a moon to restart the dynamo.
And that would only be the first step. As the atmospheric layers are slowly removed, (and potentially used for fusion with any excess hydrogen and helium added to Saturn or Jupiter), Neptune's mantle of methane, ammonia and water would be collected and stored. This layer is between 10 and 15 Earths in mass, the bulk of which could be used to create multiple moons around Neptune, each one more massive than Earth and with oceans that could support life. The orbits of the moons would need to be close to each other and Neptune to take advantage of the increased heat from tidal forces.