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Arturo100
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Planet info

11 Mar 2019 19:34

In this topic, users of S.E will find a planet they find interesting, or just a normal planet to give a sort of info, either on the application or on a comment.
It doesn't even have to be a planet! It can be a nebula, an asteroid, a galaxy, a star, maybe even a black hole!
You can make up a name for the object, or just leave as is. You may even edit the planet a bit.
An example:
Gorbos is a blue gas giant with rings, many moons orbit it, a M has colonized a large moon, blah, blah, blah... (something like that..)
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SolarMan
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13 Apr 2019 07:47

[img]file:///C:/SpaceEngine/screenshots/scr00010.png[/img] Eldaron is a terra with unicellular marine life. The planet is notable for it's atmosphere being 95% Carbon Dioxide. It also has an orbit twice that of earth. It doesn't have any moons so no solar eclipses.
 
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Planet info

14 Apr 2019 13:08

Sorry, but you need to make 10 posts for pictures, maybe post your image somewhere and link it there? Also for future posts, let your imagination run wild, describe the life on it, add a sort of backstory of sorts.
 
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Planet info

14 Apr 2019 15:37

These data-entries I made years ago are of the discoveries of a personal ship of mine called the Viator Infinita during its travels towards the galactic core (and other regions). The data is mostly on various inhabited Terras that the ship and it's transhumanist crew discovered. They are not in any chronological order, and the planets and their systems in question are often hundreds or thousands of light-years apart from each other. I wrote other entries concerning discoveries like megastructures and whatnot as well. Regrettably, I did not take any great efforts to scientifically backcheck my work, so these are more or less works of science fiction and do not reflect any hard research, or really my current thoughts on extraterrestrial life. The plot is set nebulously within that of the Orion Arm world-building project


    ShipDesignation "Viator Infinita"
    Class    "Wayfarer III"
    Pioneer "Andreas DeVanitais - System Model 1.2"
    Date    "2717.04.27 07:32:35.89"
   
     Ship Description:  
     The noble Viator Infinita was a Mk. III Wayfarer-Class warp-capable  space vessel built in 2717 AD - one of many to  be launched from Earth orbit into the boundless realms of space during the Interplanetary Era. Equipped with a mere skeleton crew of 15 brave souls lucky to escape the apocalyptic unrest of the solar-system of the time, it now travels roughly in the direction of the galactic core, sensors seeking new habitable planets and mysteries of scientific interest for its crew..

---------------------------------------------------------


    LocName "Solus Smaragdi"
    Name    "RS 8474-1353-7-1496666-823 A4"
    Parent  "RS 8474-1353-7-1496666-823 A"
    Pioneer "Andreas DeVanitais"
    Date    "2717.04.27 20:28:36.39"
    Descr   ++Viator Infinita  Data Bank ALPHA-GAMMA (Planetary Discovery & Research Log)

   +Solus Smaragdi (Latin TRNSLT.: 'Lone Emerald')+

   +Class: CO2O2SO[sub]2 [/sub]EuPaludial-Gaian Terrestrial+

Solus Smaragdi.png


   Overview:

   966.75 light-years from Earth in the direction of the constellation Sagittarius, this world is the fourth planet of the primary star in the far binary star system RS 8474-1353-7-149666-823. Its name is fitting due to the fact that it is as near an Earth-twin as can be found for many light-years in this sector (sector 8474). In terms of Mass (0.80983) and Gravity (0.97692) it is almost ideally suited for human habitation. Earthly similarity and anthropomorphic favoritism ends at these latter planetary characteristics as Smaragdi's heady atmosphere harbors a lethal 73% (1.98 ATMS.) dose of carbon dioxide and more nominal levels of molecular oxygen (about 26% or 0.71 ATMS.) as well as traces of sulfur dioxide (around 0.18%), argon, nitrogen and water vapor. More exotic atmospheric traces also include krypton  and xenon. The abundant presence of the CO2 and O2 suggests that in its infancy 7.5 billion years ago, Solus Smaragdi underwent an exceptionally brutal Early Bombardment that not only enriched the crust of the planet, but also encouraged strong volcanism. This would have released more elements into the young atmosphere - including greater amounts of CO2 and O2 than on Earth during its younger days. Although at present no great volcanic or tectonic activity has been recorded on Smaragdi and there are few high mountain ranges - the planet's crust is still rich with carbon, silicon, sulfur, oxygen and other metalloids and metals. This abundance would seem to have been enough to generate the high levels of CO2. Continued production would also raise O2 levels as well, before it could be used by other processes. According to recent studies - this overproduction of certain elements is quite common on many Earth-like worlds (on Earth, nitrogen was the over-produced element). Whilst the high oxygen levels may benefit any humans living on the surface (increasing endurance and cognitive abilities) and can be inhaled without averse effect, the lethal CO2 and SO2 levels would induce instant suffocation, hyperventilation and narcosis to any Earth creatures breathing them. Solus Smaragdi is, aside from the 5th planet of the B Component, the only terrestrial world with a noticeable atmosphere of complex composition.


Solus Smaradi 1.jpg


  Terrain:

  The terrain of Solus Smaragdi is comprised of a large globe-spanning supercontinent and a small southern ocean. Great rivers wind their way across the land feeding lakes and inland seas huge and small - with large bodies of water (including the southern ocean) supporting islands of all sizes.

  The thicker atmosphere and axial tilt of 18 degrees gives Smaragdi mild sluggish weather patterns (with the occasional fearsome storm) and languid seasons. 'Winters' are 165 day wet-seasons of lashing cold rain and cyclones when flooding is common and the average temperature is around -5 degrees C. Snow is not terribly common due to low terrain. The shorter 140 day summers are torpid affairs of humidity and sweeping short wild-fires due to the high oxygen count in the atmosphere. The average temperature then is usually between 12 and 30 degrees. The high humidity ensures that despite the supercontinent's size, there is no desertification.


  Life:

  Despite the toxic levels of CO2 in the air and numerous extinctions, life has existed on Solus Smaragdi as flora and fauna for six billion years undiminished and at current around 30 million species of alien animals have been cataloged along with approximately 15 million species of plants (most of the vascular variety), algae and fungal-equivalences. The latter are particularly virulent and aggressively expansive, carpeting the entire supercontinent (and saturating most parts of the oceans and lakes) with their verdant foliage to form lush boggy grasslands, cool swampy 'rain-forests' and hilly valleys of moist 'woodlands'. The overabundance of CO2 (which would be lethal to Earth life, including our plants) was particularly helpful to the plantae because it gave them more materials to photosynthesize with and thus grow faster and larger. These life-forms were so successful and expansive that it is thought that for almost 900 million years the plants were the dominant life-forms in terms of numbers and assertion during the beginning of life on Smaragdi (similar to Earth's Silurian period).

 The Animalia Class of the planet are no less interesting - most being heterothermic (meaning that they can vary between self-regulating their body temperature, and allowing the surrounding environment to affect it) or poikilothermic (meaning that their internal body-temperature can fluctuate depending on environment) semiautotrophs - and although a few are roughly similar to Earthly life, most bear no resemblance and as such are highly fascinating to biologists. Their biological variations are too numerous to describe here, and so are saved for another entry. A fair few species have exploited the light gravity and thick atmosphere to take to the air, but a majority live on land or within the aquamarine waters. The manner of the animals respiration is interesting and of worth noting here - they absorb both CO2 and O2 through two separate systems of lungs, each assimilating what they need and exhaling the opposite of their twin - thus the carbon dioxide breathing lungs exhale oxygen and the oxygen-using lungs breath out carbon dioxide. Due to the lighter gravity of Smaragdi, along with other biological adaptations like airsacs, some animals and plants have grown to impressive sizes.

 All life on Solus Smaragdi has a molecular carbon base for its DNA as on Earth, though the DNA structure takes the form of a entwined elliptical string (resembling axon nerve clusters in form, but not function of course) instead of a double helix, with 4 nucleic bases. Nucleobases include diaminopurine, guanine, cytosine and thymine. Blood is based on coboglobin corpuscles. The protein base differs as well - Earth life possesses a alpha-string protein, Smaragdi life-forms utilize a beta-string. Subsequently the plant and animal life of the planet is fatally toxic to those humans who would seek to eat it. Accidental consumption of ANY Solus Smaragdi water or life-forms will result in death by severe indigestion and blood-poisoning within two hours. 

  .... As a last note, Solus Smaragdi is unique because it is one of the only planets in the solar-system of the primary star that has a noticeable ring orbiting it. The current theory as to the rings origins is that around 50 million years ago the planet had one or more moons that a asteroid or comet, drawn from the outer regions of the solar-system by the binary star's pull, smashed into one of these moons and possibly triggered the destruction of the other. The larger chunks of the collision impacted upon Smaragdi's surface, causing two extinction-level events (one by nuclear winter, another by extreme volcanism triggered by the impacts), whilst the smaller pieces of debris were either scattered or stabilized in orbit around the planet to form the 6 rings. The event made around 85-90% of all life on Smaragdi extinct, but by an odd twist of fate, may have ensured the survivors continued survival due to the fact that the impacts shook up more oxygen and usable CO2 from the rich planetary crust. The ring is predicted to dissolve and collapse in 80 million years or so.

 No intelligent civilizations current reside on Solus Smaragdi (whether native or xeno) although we cannot be absolutely certain at present. Past advanced life may have left their marks. Further, no advanced alien activity has been reported in the solar-systems of the binaries as a whole, although it is evident that mining and exploration has occurred at a indeterminate time in the past.      
Last edited by Stellarator on 15 Apr 2019 00:19, edited 6 times in total.
Futurum Fusionem
 
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Planet info

14 Apr 2019 15:59

I have some more entries like the one above, that I can post later once I've edited them and made them more presentable.
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Arturo100
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Planet info

14 Apr 2019 20:47

This is cool, the alien DNA and life structure is pretty nice! The planet classification is cool too.
 
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Planet info

15 Apr 2019 00:23

Arturo100 wrote:
This is cool, the alien DNA and life structure is pretty nice! The planet classification is cool too.

Thank you. Since xenobiology is one of my life's passions, that part is really the only in these entries where real attention to scientific detail was taken :). All the biology described therein is plausible within known science. Unfortunately, as I read through it, I notice more things I need to edit for clarification that I missed earlier!
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Planet info

16 Apr 2019 11:57

Planet Biathlon,and its moon Aectra,located 72 light years from Earth,in the Marwo system.
The jungle planet Biathlon,is a deadly planet.Has high concentrations of oxygen level at 45-50%,wich led to alien life to develope very different than Earths.Also the planet is very hot compared to Earth(35-40 degrees Celsius),and high umidity.The gravity is 1.44 G,and the day has only 12 hours.The moon is tidaly locked to the planet,and orbits a yellow dwarf.The planet have complex life,but not inteligent one.It the past,it is possible that the planet had a big impact with an asteroid similar with the one thet wipped out the dinosaurs.Though its very beautiful,i dont recommend it for colonization.
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16 Apr 2019 12:27

Planet:Atebolo located 120 ly from Earth in the Apte system.
First discovered in the year 2035 looked like an arid planet,desert planet,similar to Mars.But,in the year 2087,astronomers pointed the new space telescope again on the planet,and it got more greener.It is possible,that a very advance alien species are terraforming the planet.Also there are present planet rings,wich in '35 it didnt.There are some theories that the aliens deliberate crashed some asteroids on the planet to warm the planet and change it climate.We may never know what holds there.
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17 Apr 2019 01:53

More data from the mission catalogs of the Viator Infinita:

    LocName "RS 8474-1353-7-1496666-502 B4"
    Name    "RS 8474-1353-7-1496666-502 B4"
    Parent  "RS 8474-1353-7-1496666-502 B"
    Pioneer "Andreas DeVanitais"
    Date    "2717.04.30 04:12:36.82"
    Descr  
     ++Viator Infinita Data Bank ALPHA-GAMMA++          
     ++(Planetary Discovery & Research Log)++
     +(-No official name-)+
     +Class: Terrestrial CO2 N2 O2EuXericPelagian-Gaian+
RS 8474-1353-7-1496666-502 solar-system.jpg
The third planet from the B component.


   OVERVIEW:
 The RS 8474-1353-7-1496666-502 system is a far binary pair comprised of a type G8.5 main-sequence yellow dwarf primary and type M0.4 main sequence red dwarf secondary. RS 8474-1353-7-1496666-502 BIV (hereafter designated "BIV") is a small (0.41622 Earth-Mass) exotic world orbiting as the fourth and outermost planet of the B component in the system, and harbors a highly hostile environment. It has has survived numerous debris impacts by virtue of the fact that 0.17 AU inwards towards the parent star (the M0.4 component) a 0.27 Jupiter Mass gas-giant disturbs the interplanetary medium and slings comets and other planetary debris away from the giant and often into it's smaller neighbor's gravitational well. Despite all these troubles, tenacious life has developed in the oceans and upon the land masses of the small terrestrial. Its 0.16 AU semimajor as a nontidally-locked planet in a small solar-system gives it a year of only 31.73 days (or 730 hours, 49 minutes and 5 seconds) and a complete solar day of exactly 2,920 hours, 4 minutes and 18 seconds, with truly bizarre day/night cycles as a result.
 

ENVIRONMENT:
 At 2.27 bars of pressure, the atmosphere is a torpid (but highly complex) affair made up of 96.6% carbon dioxide, 1.78% molecular nitrogen and 0.57% molecular oxygen by volume (along with many trace gasses like sulfur dioxide, water vapor, hydrogen sulfide and various halogenic compounds). Coupled with a gentle axial tilt of barely 4 degrees, the world's seasons offer little liberation from the blistering temperatures that tyrannize the planet during its insane 1,461hr 22min day. A relentless 63.91 degrees Celsius (147.03F) turns the land into a mirage-warped hellscape, with steaming foul-smelling oceans and caustic deserts beset by moaning acid-rain storms and near constant volcanic activity. No respite from this can be found when a hemisphere slips into a Stygian 1,458hr 20min night - the temperature drops by 70 degrees to envelope the planet in a chilling -10 degrees (~14F)over a period of 60 hours. What little water was left on the surface freezes, and the liquid reservoirs it inhabited as lakes or estuaries are now flooded by seething pools of previously vaporized sulfur dioxide. The land is swept by gales and blizzards of frozen sulfuric acid, which had been maintained as liquids saturating the atmosphere during the day. Hyperviolent storms triggered by the change in temperatures pelt the planetary surface with this now icy acidic compound.

However abyssal the above information sounds, even greater drastic variations occur when the inner gas-gaint of the B component star stretches the orbit of its outer terrestrial neighbor into a oblong ellipse every decade or so, driving the maximum temperature to approximately 97 degrees Celsius during the day and over 15 degrees Celsius (during the night) at a close pass to the sun. A lowering of the ambient temperature to less than 40 degrees Celsius (during the day) and almost -70 degrees Celsius (during the night) occurs during a aphelion pass. This creates horrendous climatological chaos, as various atmospheric and thalassogenic materials are frozen, unfrozen and vaporized on the planet's surface. BIVs copious volcanic activity only complicate the mayhem, as they pump large amounts of CO2 and SO2 into the atmosphere, collected by the languorous storms that trawl the oceans and continents day and night and spread the volcanic byproducts as a poisonous (to Earth-life, that is) coffee-like haze of carbon and sulfur dioxide smog and acid rain during the day, and blizzards of sulfuric acid and hydrogen sulfide at night. Such storms, largely because of the light gravity (75.35% of Earth's), and heavy faineant atmospheric conditions, can last days or even months (although according the 'local-time' relative to the planet, these weather patterns last only hours at most!). Various types of ice and snow form at different times during the planet's tortuous days and nights depending on its orbital circumstances.

Nevertheless, BIV remains a beautiful planet. Dangerous and vitriolic yes, but beautiful. Typically the two glorious suns (a large firey golden one and a smaller white-aureate one) grace the sky with their splendor. The heavy atmospheric pressure can warp their light on the planetary surface into fantastical mirages. The steam of the oceans and volcanoes often display fiery rainbows and ever on the horizon violent storms flash with exotic lightning. At night the hellish winds shape frozen piles of sulfuric acid twisted by the onslaught of H2S rain into ghoulish shapes and new pools of sulfur dioxide hiss and bubble. A strange, alien glamor seems to dominates this world, defying any loathing that its hostility may invoke in chauvinistic Earthling onlookers.    

RS 8474-1353-7-1496666-502 BIV warm seas and islands.jpg
A titanic volcano dominates the seascape


TERRAIN & PLANETOLOGY:
 The surface of this planet is comprised of a global shallow ocean of hot, highly saline H2O and various dissolved or dissociated acids, and four fair-sized continents - one roughly in the north, the other three located below the equator. None of the continents sport any tall mountain ranges or inland seas - though large rivers meandering freely through the low terrain are present. These river's exact position or even existence is constantly in flux as the planet's strange 'seasons' (i.e. day/night cycles influenced by the planet's orbit in absence of any axial tilt effects) freeze, vaporize and liquefy their contents. Most of the land is made up of savanna-like regions, plateaus, badlands and deserts. The ocean is speckled with islands beyond count - each the product of a still-active volcano, the monolithic children of a highly-active planetary core. Though lacking on the mainlands, these vents are the prime reason for the abundant CO2 count in the atmosphere. Were it not for them, the planet would have had a light atmosphere of a pressure less than 5% that of Earth's. The expedient dumping of greenhouse gasses including H2O and SO2 (making up 0.53% and 0.27% of the atmosphere respectively) from the volcanoes would be enough to cause a deadly runaway greenhouse effect - were it not for the fact that the planet does not have the mass to retain a heavier atmosphere - thus allowing it to escape any atmospheric complications. There is no analog in the Sol solar-system of BIV. Planetary astronomers could consider it a Mars-mass cousin of Venus that. It avoids the fate of either Mars or Venus due to its orbital ballet around its star and its highly active geothermic activity. It outgasses the atmosphere it cannot hold onto just as volcanoes on the surface replenish it. Without those mighty monuments of tectonics, BIV would surely outgas and perish as a Martian twin.


LIFE:
 At first glance, this planet would appear to be barren and highly hostile to any organic processes. But life - including rough analogs to animals, plants and other, more exotic kingdoms has nevertheless existed on BIV for billions of years. It first evolved much in the same manner as Earth-life - in the warm, shallow mineral-rich anaerobic seas, where a majority of it still remains. The abiogenesis of this life occurred near deep sea hydrothermic vents, starting out as anaerobic sulfur-reducing organisms - a trend that would eventually dominate the world. They started out as pH-resistant alternatives to nulcleoproteins forming complex chains of sulfur-based animo acids. After millions of years of development this lead to the rise of 2 nucleobase DsNA (Desulfovibrionuceic Acid), which would form the backbone of development for all of BIV's biology. These organism's biochemistry was based on high temperature Iron-Sulfur composite structures of mineral bases with catalytic transition metal centers (predominantly iron and nickel, but also incorporating cobalt, manganese, tungsten and zinc as catalysts). These catalytic centers catalyzed autotrophic carbon fixation pathways to generate small molecule (non-polymer) organic compounds from inorganic gases (i.e from the already present carbon monoxide, carbon dioxide, hydrogen cyanide and hydrogen sulfide that saturated the oceans and atmosphere). These organic compounds were retained on or in the mineral base as organic ligands of the transition metal centers with a flow retention time in correspondence with their mineral bonding strength thereby defining an autocatalytic "surface metabolism". The catalytic transition metal centers became autocatalytic by being accelerated by their organic products turned ligands. The carbon fixation metabolism became autocatalytic by forming a metabolic cycle in the form of a sulfur-dependent version of the reductive citric acid cycle. Accelerated catalysts expanded the metabolism and new metabolic products further accelerated the catalysts.  

From these beginnings, life exploded in the frothing oceans of the planet, and evolved into steadily more complex forms. However, due to the powerful solar-flares that the parent sun of BIV releases every few days, organics could not exist in the shallower waters nor the surface of the planet. For a billion years, the organisms languished in the murky deeps. Eventually though, UV resistant bacterium floated to the surface and began anaerobic photosythesis using the S8 molecule as protection. Millions of years passed and more organisms took to the shallows and finally conquered the hellish landscapes as autotrophs and their pursuant heterotrophs. BIV's atmosphere began to take on it's more modern composition as anaerobic organisms photosynthesized with S8 or a magnesium caroteinoid as pigment and respirated. Some oxygen was created by their efforts, but this was in a side affect of their photosynthesis, and a minority at that. Many organisms did not photosynthesize and instead avoided affiliating with the nuclear 'winters' and sweltering 'summers' of their world, instead adapting for the synthesis of atmospheric compounds and terrestrial chemicals rather than 'outside' influences for energy.

The different varieties of BIV life, from kingdoms to species, are too varied to describe here. Suffice to say that they have some analogs to Earth life, and that most seem to be comprised of many millions of microrganisms working in tandem much like the member's of Earth's Cnidaria phylum (which comprise of creatures like Portogeuse Man-o-War and coral reefs etc). Most, even the mobile heterotrophs, secrete protective exoskeletons of various sulfur compounds, which are predominantly utilized to protect against UV damage or excessive acidity. Almost living creatures on the planet surface can enter hiberatory states for long periods, especially useful for weathering bad storms or whatever solar cycle they are not adapted to (Many organisms hibernate during the night, for example). Evolution is much slower on BIV due to the poor bonding properties of their sulfur-based nucleic acids. Mutations do occur at a high rate though, and as many lineages of organisms died out from outlandish genetic evolution as other extinction events like asteroid impacts.   

RS 8474-1353-7-1496666-502 BIV suns.jpg



EVENT LOG:

    LocName "RS 8474-1353-7-1496666-502 B4"
    Name    "RS 8474-1353-7-1496666-502 B4"
    Parent  "RS 8474-1353-7-1496666-502 B"
    Pioneer "Andreas DeVanitais"
    Date    "2717.04.30 04:12:36.82"
    Descr
    ++Viator Infinatium Data Bank ALPHA-DELTA (Int. Alien Life-Form Discovery & Research Log)++
    +Species: Name not given+

 The surface of BIV is difficult to study due to its hellish environs, and no personnel from the Viator Infinta were sent down to examine the planet in any closer detail due to this. Graphene-coated remote-controlled multiterrain probes armed with nanite repair modules were more then sufficient at collecting data for analysis. But members of the xenobiological team were sorely tempted to brave the wildernesses when it was announced that intelligent life had been found on one of the southern continents. It has since been settled as a false alarm, but the discovery is no less interesting because of that. Queer structures had been spotted by probes and satellite imagery all across the plateaus of the continent. These structures appeared to be at the time the work of mobile, social creatures that roamed the landmass. Closer inspection led to both disappointment and further intrigue. The beings 'constructing' the structures were large multi-limbed semi-autotrophs that traveled about ceaselessly and without much purpose. Like most BIV lifeforms, their bodies are in fact colonies of many smaller organisms working together, much like non-sessile Earthly coral reefs. They absorb sunlight through their highly porous surface membranes and devour minerals from receptacles on their locomotive structures. Respiration is anaerobic. For protection against the elements and the dangerous large predators of their continent, they huddle together while traveling. No real interactions were seen to occur between separate creatures aside from the occasional mineral exchanges - since their so far vague life-cycle seems to start by asexual reproduction. They can apparently grow indefinitely and only die by accidents, savage weather or predation. The 'structures' seen by the probes were in fact the carbonate shells of dead elders which had grown to behemoth sizes and perished. Groups of other, smaller kith took shelter under their remains, and cast off biological detritus and other waste as they did so, giving us observers the illusion that they were building. So far no intelligence has been observed in these creature or in any other on BIV. Nor is their any evidence of exploration or colonization by other extraterrestrials in the solar-systems of the A or B components, past or present. Perhaps further investigation will reveal more?
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Planet info

09 May 2019 15:06

This is neat, I am making an Orion's Arm addon with recreations and other systems I made. These are nice planets too!

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