Why are extreme planet features so rare?

I say extreme I really mean just like normal visible canyons and mountain ranges. Most planets inside the bubble you kinda skim by are just crated filled balls. I get that canyons wouldn't be on every planet but they seem like it's 1 out of 50, if that. Surely we do not have the actual knowledge to say ''X out of X planets are crater filled balls.''?
 
reality - if you are generating 400 billion systems with RNG, you would want to reduce the "noise" even a 0.001% variance, you could spawn 1000's of messed up planets

lore - pritty sure you need water to create canyons, and given the planets we land on dont have atmospheres , hence no water, no canyon?
 
reality - if you are generating 400 billion systems with RNG, you would want to reduce the "noise" even a 0.001% variance, you could spawn 1000's of messed up planets

lore - pritty sure you need water to create canyons, and given the planets we land on dont have atmospheres , hence no water, no canyon?

Good point, to Google! The rest doesn't make much sense considering there are planets with canyons who don't have atmospheres.

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Wiki and some other sources do say that yea rivers do generally create canyons. Anyway, to your reality point, yea but those messed up planets are the best ones! They should be pretty rare but they would be gems, like Pomeche before that was fixed, and that planet with the HUUUUGE crater, they were amazing, too bad they were ''fixed'' :(
 
planets can lose their atmosphere...

Well yea but that wouldn't mean that the water would just go away, a lot of it would probably evaporate yea but some of it would freeze and just stay there. If that was the case there would be at the very least a layer of ice at the bottom of the canyons.
 
im getting in way over my knowledge but i would suspect it would retreat underground rather than freeze on the surface

doesnt mars have polar ice?

wikipedia
Almost all water on Mars today exists as ice, though it also exists in small quantities as vapor in the atmosphere[4] and occasionally as low-volume liquid brines in shallow Martian soil.[5][6] The only place where water ice is visible at the surface is at the north polar ice cap.[7] Abundant water ice is also present beneath the permanent carbon dioxide ice cap at the Martian south pole and in the shallow subsurface at more temperate latitudes.[8][9][10][11] More than five million cubic kilometers of ice have been identified at or near the surface of modern Mars, enough to cover the whole planet to a depth of 35 meters (115 ft).[12] Even more ice is likely to be locked away in the deep subsurface.[13]

Some liquid water may occur transiently on the Martian surface today, but only under certain conditions.[6][14][15][16] No large standing bodies of liquid water exist, because the atmospheric pressure at the surface averages just 600 pascals (0.087 psi)—about 0.6% of Earth's mean sea level pressure—and because the global average temperature is far too low (210 K (−63 °C; −82 °F)), leading to either rapid evaporation (sublimation) or rapid freezing.

although mars still has some of its atmosphere left...just not much
 
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Planets (especially small ones) can create canyons through being sqeezed and stretched from gravitation all the time. Just imagine a small moon around a gas giant with an elyptic orbit. It get's heavily damaged from the gravity of the gas giant everytime he get's close and far away again.
This way, the icy planets get the most fancy canyons because the ice is more affected by this event.

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Also temperature is a factor of creating canyons. Huge differences in temperatur through the spin and being close to a star can also create a fancy surface, even more combined with gas matter (f.E. methane) that comes out from underground through getting heated.

Sry for bad english...
 
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You don't need water, just something that will cause that erosion - any liquid, methane, whatever, will do. Titan has no liquid water, but canyons (and a pretty thick atmosphere). You don't need an atmosphere to create canyon like features though - there are, for example, rilles on the Moon which are probably collapsed lava tubes and others which are formed in different ways but are linked to volcanic activity.
 
im getting in way over my knowledge but i would suspect it would retreat underground rather than freeze on the surface

doesnt mars have polar ice?

Why would it retreat underground all of a sudden? If the atmosphere is slowly dissapearing the planet becomes colder and colder, it would probably freeze way before the pressure is low enough for it to evaporate I think.

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You can also get canyons from geological activity (eg. movement of tectonic plates), and probably also from tidal forces if there's some mungo huge gas giant nearby.

I thought so too about the former but that seemed much more unlikely.
 
im getting in way over my knowledge but i would suspect it would retreat underground rather than freeze on the surface

doesnt mars have polar ice?



although mars still has some of its atmosphere left...just not much

Not only water can create ice. Methane is one of the elements than can appear as ice ;) i'm not good in chemicals so i can't tell more examples right now but there are more liquids and fluids that can appear as ice at 100-0 kelvin temperatur
 
i didnt mean it would happen suddenly , i just figured over time it would just seep into the ground, either way, ive no idea what im talking about.

ill pretend i meant to say liquid , not just water.
 
i didnt mean it would happen suddenly , i just figured over time it would just seep into the ground, either way, ive no idea what im talking about.

ill pretend i meant to say liquid , not just water.

im sure a lot of new exploration features might pop up in 2.3, problem is it will be June, perhaps Fdev should slow the pace, build a few CGs to advance factional storyline, perhaps an exploration CG, build some new bases etc.
 
While they do not want to extreme planets should not planets closer to a gravity well (gas giant or suns) suffer a lot more geological activity and have more bizarre landscapes simply due to extreme gravitational pull.
 
Rather than water, i think liquid is what people mean. Look at Titan with Methane lakes etc. Imagine the smell. Be worse than the under the duvet funk after a good night out and a ruby. Will smellivision be the next VR add on?
 
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