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Forum » SpaceEngine » Archive » Work progress - 0.9.7.2
Work progress - 0.9.7.2
apenpaapDate: Wednesday, 28.05.2014, 23:15 | Message # 226
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Lava planets!










I occasionally stream at http://www.twitch.tv/magistermystax. Sometimes SE, sometimes other games.
 
TheoremDate: Thursday, 29.05.2014, 00:11 | Message # 227
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That last image.
isthisreallifeorjustfantasea.jpg

Absolutely magnificent.
 
anonymousgamerDate: Thursday, 29.05.2014, 00:58 | Message # 228
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Quote Betelgeuze ()
will work Frozen or Cold on lava planets?


I'm not sure that's how lava works





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Destructor1701Date: Thursday, 29.05.2014, 01:45 | Message # 229
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Well, Earth has lava and ice...




 
anonymousgamerDate: Thursday, 29.05.2014, 01:58 | Message # 230
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Quote Joey_Penguin ()
I promised myself no more ponies on this thread


Your gif made my reddit post thumbnail that of ponies.

http://www.reddit.com/r....work_in





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Destructor1701Date: Thursday, 29.05.2014, 02:08 | Message # 231
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lol, I was wondering what the heck that thumbnail was!




 
werdnaforeverDate: Thursday, 29.05.2014, 03:34 | Message # 232
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smile

Finally, and I suppose this means Earth nightlights will follow soon!
 
FaceDeerDate: Thursday, 29.05.2014, 04:04 | Message # 233
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Quote werdnaforever ()
I suppose this means Earth nightlights will follow soon!


And maybe the occasional ultra-rare procedural planet out there with city lights of its own? Could stick the Drake Equation into the game's config file to make those happen. smile
 
DoctorOfSpaceDate: Thursday, 29.05.2014, 04:15 | Message # 234
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Quote FaceDeer ()
Could stick the Drake Equation into the game's config file to make those happen.


The Drake equation isn't really an actual equation with known variables though. All the values for (intelligent) life are completely unknown so anything put is just guessing.





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werdnaforeverDate: Thursday, 29.05.2014, 04:19 | Message # 235
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Quote FaceDeer ()
And maybe the occasional ultra-rare procedural planet out there with city lights of its own? Could stick the Drake Equation into the game's config file to make those happen. smile

Well, the Drake equation isn't really defined or definable, and procedural civilizations aren't going to happen for a while, if they are even feasible for SE.

I'd also like to bring up bio-luminescence- you could have "night lights" from planets covered with forests of bio-luminescent plants, etc.
 
FaceDeerDate: Thursday, 29.05.2014, 05:12 | Message # 236
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Quote DoctorOfSpace ()
The Drake equation isn't really an actual equation with known variables though.


That's why it'd be in the config, you could set the parameters to whatever you felt reasonable. Just like you can already modify the odds of life arising under various conditions.

Added (29.05.2014, 08:12)
---------------------------------------------

Quote werdnaforever ()
I'd also like to bring up bio-luminescence- you could have "night lights" from planets covered with forests of bio-luminescent plants, etc.


How about phosphorescent minerals glowing on a pulsar planet or some other extreme radiation environment? Like landbound aurorae. That was what I thought might be happening on one of the lava world images posted above until I realized it was probably just clouds reflecting other light sources.
 
FastFourierTransformDate: Thursday, 29.05.2014, 14:38 | Message # 237
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Quote SpaceEngineer ()
What I am currently working on:


If that is what a lazy couch potato does surprised I'm gonna suicide. This is amazing, thank You Space Engineer!!!

I want to collaborate to improve those textures and make very different lava planets, but sadly I don't know how to do this things sad

I can maybe help you with some suggestions and with inspiring images of realistic space artists views of lava planets. They also show gigantic volcanic eruptions (maybe for future improvements of SE smile )

I think a planet with high volcanic activity would have a thiker athmosphere (even if it's too small to retain one normally) and would (in principle) have a cloudy whether (cloudy because of piroclastic clouds xD). Like this images:

http://m1.behance.net/renditi....c7f.jpg
http://m1.behance.net/renditi....51b.jpg

Also is important, for variety (and I think different lava worlds has to be done to be a fully explorable addon), the fact that there are different cuantities of lava in each planet.
For example, there are planets that have only some cracks in its crust or maybe only a few spots with lava and volcanic activity while the rest of the surface remains identical, like this ones:

http://fc06.deviantart.net/fs71....ngo.jpg
http://in3xplicit.deviantart.com/art/SCAR-QHD-383310931
http://fc03.deviantart.net/fs71....n1w.jpg
http://fc06.deviantart.net/fs33....d3r.jpg (this is beautifull because of the ring system)
http://fc04.deviantart.net/fs71....ooa.jpg

Moreover, there has to be planets with all of it's surface covered by lava, I mean planets that are like Oceanias but instead of water they have lava, like these:

http://fc04.deviantart.net/fs71....xc3.jpg (also with beautifull rings)
http://fc03.deviantart.net/fs71....egd.jpg (in the sky of one of it's moons maybe)
http://fc04.deviantart.net/fs71....zxn.jpg (this one it's only a half "Lava Oceania" but represent what I mean)

Also there would be intermediate lava worlds whith lava not covering the whole surface and not been a particular feature of some region, like that I can see in your fantastic images, with "land islands" inside a see of magma. Like there interesting textures:

This image has an ultra-detailed texture (also for the night side): http://fc04.deviantart.net/fs71....wwo.jpg

This has been created procedurally with Terragen 2: http://fc01.deviantart.net/fs71....wp3.jpg

Look at that amazing lava-moon system: http://fc05.deviantart.net/fs70....zcd.jpg

We can say that there are at least 3 phenomena that create lava planets, and different phenomena make different planets;
In the first case you have lava planets because of their recent formation (they are still bombarded by small bodies). The second class is obvius, planets that are extremly close to their stars so the crust has melted and in the third class we have moons or planets that are near the roche limit and start to heat themselves by gravitational tidal forces (like Io on Jupiter).

In the first class, the amount of lava has to be inverse proportional to the age of the system (if the planet is older it would be less bombarded and colder so the lava would not cover the entire surface).

In the second class, we can associate the amount of lava with the distance to the star. Less distance to the star --> hotter planet ---> more surface area covered by lava. But also we have to associate other characteristics, the lava in a hotter planet has to glow in other wavelengths (because of the black body radiation).
So, planets that are suficiently far don't only have less lava (in statistical terms) but also the color of the lava has to be in the red like this picture: http://fc00.deviantart.net/fs21....d3r.jpg
Meanwhile in a planet closer to the star, the lava has to be more yellow (like this: http://fc01.deviantart.net/fs71....y1.jpg) and a planet even hotter and closer to the star can have the rocks melted in a way that they glow in a yelowish-white. These planets are so close to the star that they have to be all covered by the same homogeneus bright color, except when the planet is tidally locked (at this distance many would be). In that case one face has to have a gradient from white to yellow to red lava until we surpass the terminator (when the day becomes night) and then in the night side, without lava, a bit like this: http://sos.noaa.gov/ftp_mir....big.jpg

We have to think also in other interesting posibility. A planet with a high excentric orbit around a star could be a normal planet in the aphelion but when in comes closer to the perihelion it could become hotter until it started to melt the surface rocks. Then the planet cools down and the lava stops to glow in every orbit (long period for that to happen).

These is maybe more complex than the other suggestions but also interesting;

Immagine the geological structures of a lava planet. The "islands in the lava" would be covered with a landscape of molten rocks and mountains more or less like this: http://fc03.deviantart.net/fs23....ere.jpg
Maybe with some magma rivers in beetween smile

And I have an other suggestion
BLUE LAVA!!!!! like that created by molten sulfur. I have talked about it in this post http://en.spaceengine.org/forum/21-11-39719-16-1397404807
It would be amazing to see a planet with red and yellow lava all over the surface and some blue lava in some regions of the planet with high levels of sulfur (like in Indonesia, where this images are taken).

I know there are too many suggestions, but i love what you have done and I think it dosen't require much additional effort to make this thing perfect!! with some details like different amounts of surface covered by lava wink

Thank you so much for your work. I would be happy if someone can discuss what I have said here and add some suggestions to this new feature of Space Engine.


Edited by FastFourierTransform - Thursday, 29.05.2014, 14:43
 
spacerDate: Thursday, 29.05.2014, 14:40 | Message # 238
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but why the lava on the planet is lines? and there is squares with not lava? biggrin wacko
edit: island land! I enjoyed to read your reply FastFourierTransform!





"we began as wanderers, and we are wanderers still"
-carl sagan

-space engine photographer


Edited by spacer - Thursday, 29.05.2014, 14:52
 
JCandeiasDate: Thursday, 29.05.2014, 14:56 | Message # 239
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Quote FastFourierTransform ()
I think a planet with high volcanic activity would have a thiker athmosphere (even if it's too small to retain one normally) and would (in principle) have a cloudy whether (cloudy because of piroclastic clouds xD).


Not really. Just look at Io: almost no atmosphere at all.

In fact, the presence of atmosphere and how thick it is is always a question of balance between the rate at which gases (and which gases) are lost to space due to stellar fluxes and the rate at which gases are internally produced by whatever means the planet has in operation, volcanism being only one of them (although arguably the most important, especially in the earlier stages of formation). Smaller bodies will have little to no atmosphere regardless of how volcanic they are, since their gravity isn't strong enough to hold on to any of the volcanic gases. It's a bit more complex than this, since it also depends on radiation-driven molecular dissociation, but you get the idea.

Quote FastFourierTransform ()
And I have an other suggestion
BLUE LAVA!!!!!


That's what his second to last image is showing, I believe.





They let me use this!
 
spacerDate: Thursday, 29.05.2014, 15:01 | Message # 240
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Quote JCandeias ()
That's what his second to last image is showing, I believe.

no, its clouds





"we began as wanderers, and we are wanderers still"
-carl sagan

-space engine photographer
 
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