Anonymous at Sat, 9 Mar 2024 03:55:47 UTC No. 16064287

bump

Anonymous at Sat, 9 Mar 2024 04:42:03 UTC No. 16064372

>>16063221
I don't see why not, if it's structurally sound out should be ok. That first exoplanet you mentioned is like 90% solid (or molten) iron and it hasn't collapsed in on itself. It's not much different to a death star, there's some info about building one here, it's basically possible but extremely difficult and costly
https://www.space.com/35020-could-we-build-a-real-death-star.html
Apparently the death star has an atmosphere, same with cybertron. Maybe it's generated somehow I don't know because an atmosphere would likely be needed to protect it from getting smashed up by meteors

Anonymous at Sat, 9 Mar 2024 04:43:05 UTC No. 16064373

>>16064372
>out should
*it

Anonymous at Sat, 9 Mar 2024 05:48:07 UTC No. 16064463

>>16064372
The thing that is always generally inconsistent about depictions of Cybertron over the years was its size, it ranges anywhere from a diameter of 6,300 km to around 120,000 km (or close to Saturn). The thing is, for it to be terrestrial and have near-Earth gravity would mean that Cybertron on account of its larger size relative to Earth would need to have extremely low density in select areas, and even then I doubt that it still wouldn't be on the orders of 5-8 Earth masses (with the corresponding gravitational strength).

As far as I'm aware we don't really have any examples of a terrestrial planet that has so much hollow space going for it, not in the super-Earth category at least. Though it does always seem to have that giant gash on one of its hemispheres with ejecta/debris (that doesn't seem to form into much of a ring system) for some reason (impact? unicron? mining?) but that might be something else.
>Maybe it's generated somehow
Could also be used to explain the volume/mass of Cybertron, considering the planet is around ~10 billion years old per most sources it wouldn't be surprising that it could have somehow been built outwards with its biosphere being mostly subterranean. The planet is one big shining techno-signature after all.

I'd still say the atmosphere does lend its self to be somewhat natural, after all they do have fires. So it definitely has some manner of oxygen (especially given the sea of rust exists) and other oxides, along with gases like argon (they have a sea of too somewhere around or under the surface). So it definitely does eat up meteors, though Cybertron's surface does seem to reform its self periodically through some manner of plate tectonics in some continuities. This usually results however in metal sheets overlapping each other. I could easily see it having such geological activity however given the tidal effects by its sizeable moons.

Anonymous at Sat, 9 Mar 2024 05:50:59 UTC No. 16064470

>>>/lit/23159414

Anonymous at Sat, 9 Mar 2024 05:54:16 UTC No. 16064476

>>16064470
Thanks doc

Anonymous at Sat, 9 Mar 2024 08:07:52 UTC No. 16064613

>>16063221
>exoplanet like Cybertron
Can you give a conscise description? I can't find anything concrete and succinct enough to bother with it.

Anonymous at Sat, 9 Mar 2024 18:40:16 UTC No. 16065277

>>16064613
Here's what I've gathered thus far in my notes.

According to apocrypha, Cybertron is an exoplanet orbiting a star known as Hadean (presumably K-type) as part of a triple star system located around ~580ish light years from Earth in the constellation Scorpius (possibly inspired by Lambda Scorpii). Cybertron is the fourth or fifth planet from its parent star, with an orbital period of ranging between ~227 to ~400 days, with a rotational period of ~13, 20, to 26 hours.

Exact age is unclear, estimated ~9-10 billion years old with its parent star being as old as ~12 billion. Radius ranges from smaller than Earth to 7-9 times larger. Expansive atmosphere featuring N2, Ar, CH4, CO2, CO, O2, H2, N20, Ne, Xe, NH3, and Energon Vapor/traces of BrCi, O, HCN, NO2, N2O4, WF6, SiCH4. Some of it possibly stripped away during the Great Cataclysm, where a red star passed through its system and bombarded the planet with intense solar winds (still thick enough for helicopters). Liquid hydrocarbons/lubricants known to exist similar to Titan, as well a sea with clouds of electrified Argon at the lowest altitudes. Liquid water may have existed before the war.

The defining characteristic of the planet is its overwhelmingly metallic composition, terrain featuring vast metallic plains, plateaus, spiraling metal mountains, canyons, ravines, and bottomless gas-lit chasms (with many caves and caverns below the immediate surface, with energon/magma rivers/resevoirs). It also has three seas, one of which is a rust sea (often described as a "spot" that moves around, radiating corrosion and gases with large tornadoes and lighting storms). Cybertron has weather patterns, including rain.

Cybertron has up to 4 natural satellites, two of which (Hectate/Artemis) being large once geologically active terrestrial moons. Hectate has a reddish/blue hue, Artemis a rusty/gold hue. There's a debris field and sparse ring system. One satellite known to be in geosynchronous.

Anonymous at Sat, 9 Mar 2024 20:03:28 UTC No. 16065410

>>16065277
>Some of it possibly stripped away during the Great Cataclysm, where a red star passed through its system and bombarded the planet with intense solar winds
Would the planet not have a strong enough magnetosphere to alleviate some of that? I know that these Mercury-type objects tend to cool off faster by virtue of being like 80% core, but for a mega-Earth or mini-Neptune I'd expect this to not be as big of an issue. Although I do remember how at some point, they had pretty much exhausted their natural resources to fuel the war, or at least depleted their energy reserves faster than the planet could replenish them. They then tried harvesting energy from the core directly, but ended up creating an environmental cataclysm instead which forced them to exile due to the core shutting down, which I'd assume is the same as an actual planetary core shutting down (both results in the magnetosphere shutting off and the world becoming cold and barren). Unless that solar wind was so strong any Carrington-type event 24/7 (especially
from a flare star) would still cause disaster.

The nature of the planetary core from what I read is also somewhat strange. Either that shell Primus (provided he is within the core) is not at the exact center or is somewhere on the outer regions, or the core is solid metal.

Anonymous at Sun, 10 Mar 2024 03:42:02 UTC No. 16065960

>>16064463
If Cybertron is generally much larger than Earth then it would obviously beg the question of how humans could survive on it even with space suits. Although we do see Cybertronians performing great feats on Earth likely due to the weaker gravity, so things might be a similar situation to Krypton on this matter. I don't think you can attribute everything down to mass shifting and variables despite Cybertron being a technosphere. The physics here would be impossible. Likewise with the core not being crushed into something as hot as the sun.

Not aware if any low density terrestrial exoplanets in the mini-Neptine class exist though, or if physics do not forbid them.