Star system
Arietis Sector ZE-A d75
Economy
Government
Allegiance
Independent
Star type
Class F star Scoopable
Coordinates
-87.16 / -99.47 / -197.41
Permit required
No
Powerplay
Unoccupied
Powers
︎ Arietis Sector ZE-A d75 - Class F star
Body distance-Solar masses1.2539Solar radius1.2256︎ Arietis Sector ZE-A d75 1 - Metal-rich body Landable
Body distance39 LsEarth masses0.0591Radius2,025 kmGravity0.59 gSurface temperature1,036 K (763°C/1,405°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 1.0%︎ Niobium: 2.4%︎ Tin: 2.3%︎ Chromium: 15.6%︎ Vanadium: 8.5%︎ Zinc: 9.4%︎ Iron: 34.6%︎ Nickel: 26.2%︎ Arietis Sector ZE-A d75 2 - High metal content world Landable
Body distance94 LsEarth masses6.2048Radius10,181 kmGravity2.43 gSurface temperature669 K (396°C/745°F)Surface pressure0.00 atmVolcanismMajor Silicate vapour geysersAtmosphereTerraforming︎ Ruthenium: 1.3%︎ Cadmium: 1.6%︎ Molybdenum: 1.4%︎ Chromium: 9.4%︎ Manganese: 8.7%︎ Vanadium: 5.2%︎ Carbon: 12.6%︎ Iron: 21.0%︎ Nickel: 15.9%︎ Phosphorus: 8.0%︎ Sulphur: 15.0%︎ Arietis Sector ZE-A d75 3 - High metal content world
Body distance150 LsEarth masses24.9053Radius14,159 kmGravity5.05 gSurface temperature4,648 K (4,375°C/7,907°F)Surface pressure125,128.05 atmVolcanismMajor Silicate vapour geysersAtmosphereHot Thick WaterTerraforming︎ Arietis Sector ZE-A d75 5 - High metal content world
Body distance387 LsRing/belt typeRocky (Pristine)Earth masses1.7809Radius7,210 kmGravity1.39 gSurface temperature1,077 K (804°C/1,479°F)Surface pressure275.27 atmVolcanismMinor Metallic magmaAtmosphereHot Thick Carbon dioxideTerraforming︎ Arietis Sector ZE-A d75 4 - High metal content world
Body distance389 LsRing/belt typeMetal rich (Pristine)Earth masses3.0209Radius8,375 kmGravity1.75 gSurface temperature1,140 K (866°C/1,591°F)Surface pressure434.55 atmVolcanismMajor Silicate vapour geysersAtmosphereHot Thick Carbon dioxideTerraforming︎ Arietis Sector ZE-A d75 6 - Class III gas giant
Body distance1,229 LsRing/belt typeMetal rich (Pristine)
Rocky (Pristine)Earth masses2,608.4900Radius69,376 kmGravity22.03 gSurface temperature744 K (470°C/879°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Arietis Sector ZE-A d75 6 e - Rocky body
Body distance1,225 LsEarth masses0.0021Radius901 kmGravity0.11 gSurface temperature502 K (229°C/444°F)Surface pressure0.38 atmVolcanismAtmosphereHot WaterTerraforming︎ Arietis Sector ZE-A d75 6 c - Rocky body
Body distance1,227 LsEarth masses0.0018Radius849 kmGravity0.10 gSurface temperature284 K (11°C/51°F)Surface pressure0.00 atmVolcanismRocky magmaAtmosphereSulphur dioxideTerraforming︎ Arietis Sector ZE-A d75 6 a - Rocky body Landable
Body distance1,227 LsEarth masses0.0020Radius887 kmGravity0.10 gSurface temperature301 K (28°C/82°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Cadmium: 1.5%︎ Tin: 1.1%︎ Arsenic: 2.4%︎ Chromium: 8.5%︎ Manganese: 7.8%︎ Carbon: 15.6%︎ Iron: 18.9%︎ Nickel: 14.3%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ Arietis Sector ZE-A d75 6 g - Rocky body Landable
Body distance1,230 LsEarth masses0.0023Radius927 kmGravity0.11 gSurface temperature249 K (-25°C/-12°F)Surface pressure0.00 atmVolcanismMinor Silicate vapour geysersAtmosphereTerraforming︎ Antimony: 1.2%︎ Cadmium: 1.5%︎ Molybdenum: 1.2%︎ Germanium: 5.5%︎ Manganese: 7.8%︎ Zinc: 5.2%︎ Carbon: 15.7%︎ Iron: 19.0%︎ Nickel: 14.4%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ Arietis Sector ZE-A d75 6 f - Rocky body Landable
Body distance1,230 LsEarth masses0.0023Radius928 kmGravity0.11 gSurface temperature249 K (-25°C/-12°F)Surface pressure0.00 atmVolcanismMinor Silicate vapour geysersAtmosphereTerraforming︎ Tellurium: 1.4%︎ Molybdenum: 1.2%︎ Tungsten: 1.0%︎ Chromium: 8.5%︎ Germanium: 5.4%︎ Zinc: 5.1%︎ Carbon: 15.6%︎ Iron: 18.9%︎ Nickel: 14.3%︎ Phosphorus: 10.0%︎ Sulphur: 18.5%︎ Arietis Sector ZE-A d75 6 d - Rocky body
Body distance1,230 LsEarth masses0.0027Radius973 kmGravity0.11 gSurface temperature658 K (385°C/724°F)Surface pressure2.94 atmVolcanismAtmosphereHot WaterTerraforming︎ Arietis Sector ZE-A d75 6 b - Rocky body Landable
Body distance1,230 LsEarth masses0.0015Radius802 kmGravity0.09 gSurface temperature291 K (18°C/64°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.5%︎ Cadmium: 1.5%︎ Molybdenum: 1.3%︎ Arsenic: 2.5%︎ Manganese: 8.1%︎ Zinc: 5.3%︎ Carbon: 16.1%︎ Iron: 19.5%︎ Nickel: 14.8%︎ Phosphorus: 10.3%︎ Sulphur: 19.2%︎ Arietis Sector ZE-A d75 6 h - Icy body Landable
Body distance1,245 LsEarth masses0.0702Radius3,575 kmGravity0.22 gSurface temperature198 K (-75°C/-104°F)Surface pressure0.01 atmVolcanismAtmosphereThin Sulphur dioxideTerraforming︎ Selenium: 4.2%︎ Yttrium: 0.7%︎ Cadmium: 1.0%︎ Mercury: 0.5%︎ Chromium: 5.5%︎ Germanium: 3.2%︎ Carbon: 22.4%︎ Iron: 12.2%︎ Nickel: 9.3%︎ Phosphorus: 14.3%︎ Sulphur: 26.6%︎ Arietis Sector ZE-A d75 7 - Class IV gas giant
Body distance1,546 LsEarth masses3,221.5000Radius67,135 kmGravity29.05 gSurface temperature894 K (621°C/1,150°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Arietis Sector ZE-A d75 7 g a - Rocky body Landable
Body distance1,531 LsEarth masses0.0005Radius581 kmGravity0.06 gSurface temperature220 K (-53°C/-63°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.3%︎ Molybdenum: 1.2%︎ Tin: 1.0%︎ Arsenic: 2.8%︎ Vanadium: 4.6%︎ Zinc: 5.1%︎ Carbon: 17.9%︎ Iron: 18.9%︎ Nickel: 14.3%︎ Phosphorus: 11.5%︎ Sulphur: 21.3%︎ Arietis Sector ZE-A d75 7 g - Rocky body Landable
Body distance1,535 LsEarth masses0.0421Radius2,402 kmGravity0.30 gSurface temperature220 K (-53°C/-63°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.1%︎ Yttrium: 1.2%︎ Molybdenum: 1.3%︎ Tin: 1.2%︎ Germanium: 5.8%︎ Zinc: 5.5%︎ Carbon: 16.5%︎ Iron: 20.1%︎ Nickel: 15.2%︎ Phosphorus: 10.6%︎ Sulphur: 19.7%︎ Arietis Sector ZE-A d75 7 h - Rocky body Landable
Body distance1,537 LsEarth masses0.0225Radius1,959 kmGravity0.24 gSurface temperature215 K (-59°C/-73°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.2%︎ Selenium: 2.9%︎ Cadmium: 1.5%︎ Mercury: 0.8%︎ Chromium: 8.5%︎ Manganese: 7.8%︎ Carbon: 15.6%︎ Iron: 18.9%︎ Nickel: 14.3%︎ Phosphorus: 10.0%︎ Sulphur: 18.5%︎ Arietis Sector ZE-A d75 7 f - Rocky body
Body distance1,540 LsEarth masses0.0114Radius1,569 kmGravity0.19 gSurface temperature233 K (-40°C/-40°F)Surface pressure0.00 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ Arietis Sector ZE-A d75 7 e - Rocky body Landable
Body distance1,540 LsEarth masses0.0182Radius1,829 kmGravity0.22 gSurface temperature233 K (-40°C/-40°F)Surface pressure0.00 atmVolcanismMinor Rocky magmaAtmosphereTerraforming︎ Selenium: 2.9%︎ Yttrium: 1.1%︎ Mercury: 0.8%︎ Tungsten: 1.0%︎ Chromium: 8.5%︎ Manganese: 7.8%︎ Carbon: 15.7%︎ Iron: 19.0%︎ Nickel: 14.4%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ Arietis Sector ZE-A d75 7 b - Rocky body
Body distance1,545 LsEarth masses0.0177Radius1,813 kmGravity0.22 gSurface temperature1,078 K (805°C/1,481°F)Surface pressure164.76 atmVolcanismMajor Silicate vapour geysersAtmosphereHot Thick WaterTerraforming︎ Arietis Sector ZE-A d75 7 a - Rocky body Landable
Body distance1,546 LsEarth masses0.0148Radius1,709 kmGravity0.21 gSurface temperature280 K (7°C/45°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.5%︎ Cadmium: 1.6%︎ Molybdenum: 1.3%︎ Arsenic: 2.7%︎ Germanium: 6.0%︎ Zirconium: 2.4%︎ Carbon: 17.0%︎ Iron: 20.7%︎ Nickel: 15.6%︎ Phosphorus: 10.9%︎ Sulphur: 20.3%︎ Arietis Sector ZE-A d75 7 c - Rocky body
Body distance1,549 LsEarth masses0.0141Radius1,684 kmGravity0.20 gSurface temperature1,057 K (784°C/1,444°F)Surface pressure140.87 atmVolcanismMajor Silicate vapour geysersAtmosphereHot Thick WaterTerraforming︎ Arietis Sector ZE-A d75 7 d - Rocky body
Body distance1,553 LsEarth masses0.0190Radius1,854 kmGravity0.22 gSurface temperature579 K (306°C/583°F)Surface pressure1.73 atmVolcanismAtmosphereHot WaterTerraforming︎ Arietis Sector ZE-A d75 7 i - Rocky body Landable
Body distance1,565 LsEarth masses0.0144Radius1,694 kmGravity0.20 gSurface temperature208 K (-65°C/-85°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.1%︎ Selenium: 2.9%︎ Cadmium: 1.5%︎ Niobium: 1.3%︎ Chromium: 8.5%︎ Manganese: 7.8%︎ Carbon: 15.5%︎ Iron: 18.8%︎ Nickel: 14.2%︎ Phosphorus: 9.9%︎ Sulphur: 18.5%︎ Arietis Sector ZE-A d75 8 - Gas giant with water-based life
Body distance2,250 LsRing/belt typeRocky (Pristine)Earth masses175.9230Radius56,530 kmGravity2.24 gSurface temperature153 K (-120°C/-183°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Arietis Sector ZE-A d75 8 f - Rocky body Landable
Body distance2,243 LsEarth masses0.0029Radius1,001 kmGravity0.12 gSurface temperature167 K (-106°C/-159°F)Surface pressure0.03 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Antimony: 1.2%︎ Molybdenum: 1.3%︎ Tin: 1.2%︎ Germanium: 5.8%︎ Zinc: 5.5%︎ Zirconium: 2.3%︎ Carbon: 16.7%︎ Iron: 20.2%︎ Nickel: 15.3%︎ Phosphorus: 10.7%︎ Sulphur: 19.8%︎ Arietis Sector ZE-A d75 8 e - Rocky body Landable
Body distance2,246 LsEarth masses0.0010Radius693 kmGravity0.08 gSurface temperature160 K (-113°C/-171°F)Surface pressure0.01 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Antimony: 1.2%︎ Mercury: 0.9%︎ Molybdenum: 1.3%︎ Germanium: 5.9%︎ Vanadium: 5.0%︎ Zirconium: 2.4%︎ Carbon: 16.8%︎ Iron: 20.4%︎ Nickel: 15.4%︎ Phosphorus: 10.8%︎ Sulphur: 20.0%︎ Arietis Sector ZE-A d75 8 b - Rocky body
Body distance2,249 LsEarth masses0.0016Radius822 kmGravity0.10 gSurface temperature253 K (-20°C/-4°F)Surface pressure1.72 atmVolcanismMajor Rocky magmaAtmosphereSulphur dioxideTerraforming︎ Arietis Sector ZE-A d75 8 c - Rocky body
Body distance2,249 LsEarth masses0.0016Radius820 kmGravity0.10 gSurface temperature241 K (-32°C/-25°F)Surface pressure1.21 atmVolcanismAtmosphereCarbon dioxideTerraforming︎ Arietis Sector ZE-A d75 8 d - Rocky body Landable
Body distance2,249 LsEarth masses0.0009Radius690 kmGravity0.08 gSurface temperature161 K (-112°C/-169°F)Surface pressure0.01 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Tellurium: 1.4%︎ Cadmium: 1.5%︎ Tin: 1.1%︎ Germanium: 5.5%︎ Manganese: 7.8%︎ Zinc: 5.2%︎ Carbon: 15.6%︎ Iron: 19.0%︎ Nickel: 14.3%︎ Phosphorus: 10.0%︎ Sulphur: 18.6%︎ Arietis Sector ZE-A d75 8 a - Rocky body
Body distance2,250 LsEarth masses0.0008Radius642 kmGravity0.07 gSurface temperature242 K (-31°C/-24°F)Surface pressure1.04 atmVolcanismMajor Silicate vapour geysersAtmosphereCarbon dioxideTerraforming︎ Arietis Sector ZE-A d75 8 g - Icy body
Body distance2,254 LsRing/belt typeRocky (Pristine)Earth masses0.1642Radius4,702 kmGravity0.30 gSurface temperature128 K (-145°C/-229°F)Surface pressure4.26 atmVolcanismAtmosphereArgon-richTerraforming︎ Arietis Sector ZE-A d75 9 - Class III gas giant
Body distance2,819 LsEarth masses2,440.5500Radius70,056 kmGravity20.21 gSurface temperature637 K (363°C/686°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Arietis Sector ZE-A d75 9 f - Rocky body Landable
Body distance2,786 LsEarth masses0.0072Radius1,347 kmGravity0.16 gSurface temperature150 K (-124°C/-190°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.3%︎ Selenium: 3.2%︎ Cadmium: 1.6%︎ Molybdenum: 1.3%︎ Arsenic: 2.6%︎ Germanium: 5.9%︎ Carbon: 16.9%︎ Iron: 20.6%︎ Nickel: 15.6%︎ Phosphorus: 10.8%︎ Sulphur: 20.1%︎ Arietis Sector ZE-A d75 9 e - Rocky body Landable
Body distance2,808 LsEarth masses0.0020Radius890 kmGravity0.10 gSurface temperature160 K (-113°C/-171°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.0%︎ Tellurium: 1.4%︎ Tin: 1.2%︎ Tungsten: 1.1%︎ Chromium: 8.7%︎ Zinc: 5.3%︎ Carbon: 16.0%︎ Iron: 19.4%︎ Nickel: 14.7%︎ Phosphorus: 10.2%︎ Sulphur: 19.0%︎ Arietis Sector ZE-A d75 9 c - Rocky body Landable
Body distance2,818 LsEarth masses0.0022Radius907 kmGravity0.11 gSurface temperature171 K (-102°C/-151°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.0%︎ Technetium: 0.7%︎ Cadmium: 1.5%︎ Niobium: 1.3%︎ Germanium: 5.6%︎ Manganese: 8.1%︎ Carbon: 16.1%︎ Iron: 19.5%︎ Nickel: 14.8%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ Arietis Sector ZE-A d75 9 d a - Rocky body Landable
Body distance2,822 LsEarth masses0.0003Radius460 kmGravity0.05 gSurface temperature164 K (-109°C/-164°F)Surface pressure0.00 atmVolcanismMinor Silicate vapour geysersAtmosphereTerraforming︎ Tellurium: 1.5%︎ Molybdenum: 1.2%︎ Niobium: 1.2%︎ Chromium: 8.0%︎ Vanadium: 4.4%︎ Zinc: 4.8%︎ Carbon: 16.9%︎ Iron: 17.7%︎ Nickel: 13.4%︎ Phosphorus: 10.8%︎ Sulphur: 20.1%︎ Arietis Sector ZE-A d75 9 d - Rocky body Landable
Body distance2,823 LsEarth masses0.0043Radius1,139 kmGravity0.13 gSurface temperature165 K (-108°C/-162°F)Surface pressure0.00 atmVolcanismAtmosphereThin AmmoniaTerraforming︎ Antimony: 1.2%︎ Mercury: 0.9%︎ Molybdenum: 1.3%︎ Arsenic: 2.5%︎ Manganese: 8.2%︎ Zinc: 5.4%︎ Carbon: 16.2%︎ Iron: 19.8%︎ Nickel: 15.0%︎ Phosphorus: 10.4%︎ Sulphur: 19.3%︎ Arietis Sector ZE-A d75 9 a - Rocky body Landable
Body distance2,823 LsEarth masses0.0042Radius1,130 kmGravity0.13 gSurface temperature188 K (-85°C/-121°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Ruthenium: 1.1%︎ Cadmium: 1.4%︎ Molybdenum: 1.2%︎ Chromium: 8.3%︎ Germanium: 5.3%︎ Manganese: 7.6%︎ Carbon: 15.1%︎ Iron: 18.4%︎ Nickel: 13.9%︎ Phosphorus: 9.7%︎ Sulphur: 18.0%︎ Arietis Sector ZE-A d75 9 b - Rocky body Landable
Body distance2,827 LsEarth masses0.0043Radius1,142 kmGravity0.13 gSurface temperature178 K (-95°C/-139°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Antimony: 1.2%︎ Mercury: 0.9%︎ Tin: 1.2%︎ Chromium: 8.8%︎ Germanium: 5.6%︎ Zirconium: 2.3%︎ Carbon: 16.1%︎ Iron: 19.6%︎ Nickel: 14.8%︎ Phosphorus: 10.3%︎ Sulphur: 19.2%︎ Arietis Sector ZE-A d75 10 - Class III gas giant
Body distance3,898 LsEarth masses1,879.6800Radius72,387 kmGravity14.58 gSurface temperature474 K (201°C/394°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Arietis Sector ZE-A d75 10 e - Rocky body Landable
Body distance3,883 LsEarth masses0.0026Radius970 kmGravity0.11 gSurface temperature132 K (-141°C/-222°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Selenium: 3.0%︎ Yttrium: 1.2%︎ Cadmium: 1.5%︎ Tin: 1.2%︎ Germanium: 5.6%︎ Manganese: 8.0%︎ Carbon: 16.0%︎ Iron: 19.4%︎ Nickel: 14.7%︎ Phosphorus: 10.3%︎ Sulphur: 19.1%︎ Arietis Sector ZE-A d75 10 c - Rocky body Landable
Body distance3,895 LsEarth masses0.0033Radius1,048 kmGravity0.12 gSurface temperature153 K (-120°C/-184°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Tellurium: 1.4%︎ Niobium: 1.3%︎ Tungsten: 1.0%︎ Chromium: 8.6%︎ Vanadium: 4.7%︎ Zinc: 5.2%︎ Carbon: 15.7%︎ Iron: 19.0%︎ Nickel: 14.4%︎ Phosphorus: 10.0%︎ Sulphur: 18.7%︎ Arietis Sector ZE-A d75 10 b - Rocky body Landable
Body distance3,897 LsEarth masses0.0008Radius650 kmGravity0.08 gSurface temperature169 K (-104°C/-156°F)Surface pressure0.00 atmVolcanismAtmosphereTerraforming︎ Polonium: 0.5%︎ Mercury: 0.9%︎ Niobium: 1.4%︎ Chromium: 8.9%︎ Vanadium: 4.9%︎ Zirconium: 2.3%︎ Carbon: 16.4%︎ Iron: 19.8%︎ Nickel: 15.0%︎ Phosphorus: 10.5%︎ Sulphur: 19.5%︎ Arietis Sector ZE-A d75 10 a - Rocky body Landable
Body distance3,899 LsEarth masses0.0008Radius642 kmGravity0.07 gSurface temperature185 K (-88°C/-127°F)Surface pressure0.00 atmVolcanismMinor Metallic magmaAtmosphereTerraforming︎ Tellurium: 1.4%︎ Cadmium: 1.4%︎ Tungsten: 1.0%︎ Chromium: 8.3%︎ Manganese: 7.6%︎ Zinc: 5.0%︎ Carbon: 15.2%︎ Iron: 18.4%︎ Nickel: 13.9%︎ Phosphorus: 9.7%︎ Sulphur: 18.1%︎ Arietis Sector ZE-A d75 10 d - Rocky body Landable
Body distance3,900 LsEarth masses0.0026Radius968 kmGravity0.11 gSurface temperature170 K (-103°C/-153°F)Surface pressure0.02 atmVolcanismAtmosphereThin Carbon dioxideTerraforming︎ Yttrium: 1.2%︎ Cadmium: 1.6%︎ Tungsten: 1.1%︎ Germanium: 5.8%︎ Zinc: 5.5%︎ Zirconium: 2.3%︎ Carbon: 16.6%︎ Iron: 20.2%︎ Nickel: 15.3%︎ Phosphorus: 10.6%︎ Sulphur: 19.8%︎ Arietis Sector ZE-A d75 11 - Ammonia world
Body distance4,100 LsEarth masses48.1375Radius20,993 kmGravity4.44 gSurface temperature180 K (-93°C/-136°F)Surface pressure5,404.05 atmVolcanismWater geysersAtmosphereThick Ammonia and oxygenTerraforming︎ Arietis Sector ZE-A d75 12 - Icy body
Body distance5,558 LsRing/belt typeIcy (Pristine)Earth masses66.0655Radius22,172 kmGravity5.46 gSurface temperature642 K (369°C/695°F)Surface pressure357,183.32 atmVolcanismWater geysersAtmosphereHot Thick Methane-richTerraforming