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Forum » SpaceEngine » Archive » Work progress and public beta test - 0.9.7.4
Work progress and public beta test - 0.9.7.4
CanleskisDate: Sunday, 10.04.2016, 00:01 | Message # 2191
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Quote Jonahrf ()
know that title forces cause the high temperature.

The problem is the planet should be a Desert, not a Terra. 1521.7°F Is too hot for water to exist on the planet. Water boils at 212°F. So the Planet should be a desert with no water.


Water can boil at a much higher temperature depending on the pressure of the atmosphere...
 
MosfetDate: Sunday, 10.04.2016, 00:21 | Message # 2192
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well in this case it's around 0.2 atm, so it's the contrary. It could be an ocean of molten silicates, though... tongue




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HimselfDate: Sunday, 10.04.2016, 01:17 | Message # 2193
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I was able to get it running and man does Space Engine get more beautiful with each update.
I did a good deal of exploring and found a few apparent bugs.

I have found that the lens flare from supergiant stars is strangely cut off when viewed from very close to a black hole and can disappear completely at some angles.



The reflection of the sun seems to be missing from the basins under the ocean of this titan. Unless the rest of the ocean is very shallow, I wouldn't expect these basins to be visible.


Finally, on planets with distant binary suns, one sun will sometimes show through the terrain if the other is above the horizon.

Attachments: 9194680.jpg(172Kb) · 8833285.jpg(149Kb) · 9851311.jpg(264Kb) · 3364947.jpg(199Kb)
 
LookAtDatDakkaDate: Sunday, 10.04.2016, 02:13 | Message # 2194
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SpaceEngineer, can you add a check to see if temperature is 100C° at any point in orbit and from tidal heating, then no terra will appear?




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Edited by LookAtDatDakka - Sunday, 10.04.2016, 05:21
 
HimselfDate: Sunday, 10.04.2016, 03:12 | Message # 2195
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While an upper limit seems reasonable, it should not be 100°C. The boiling point of water varies with pressure. With high enough pressure water can remain liquid up to 374°C. It seems the problem is that planet type is determined before tidal heating is factored in.
 
Bells_TheoremDate: Sunday, 10.04.2016, 03:43 | Message # 2196
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Quote LookAtDatDakka ()
SpaceEngineer, can you add a check to see if temperature is 100C° at any point in orbit and from tidal locking, then no terra will appear?


I don't believe there is any reason there can't be a terra at 100C°. If the atmospheric pressures are high enough water would remain liquid.
 
FireintheholeDate: Sunday, 10.04.2016, 09:16 | Message # 2197
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Quote Canleskis ()
Water can boil at a much higher temperature depending on the pressure of the atmosphere...

...and lower. I've seen many oceanias with atmosphere pressure of 0.3 atm, and temperatures of 100+ degrees Celsius.





Love SpaceEngine!
 
The_BlazerDate: Sunday, 10.04.2016, 09:52 | Message # 2198
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Quote Fireinthehole ()
...and lower


What if there's some chemical in the water that makes it boil at higher temperatures than the pressure and temperature would suggest? Much like Earth's ocean water doesn't freeze at 0 °C due to salt. We have chemical composition of atmospheres now, perhaps we could also have the composition of water in the future, too.





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Edited by The_Blazer - Sunday, 10.04.2016, 09:52
 
CanleskisDate: Sunday, 10.04.2016, 13:43 | Message # 2199
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Quote Fireinthehole ()
...and lower. I've seen many oceanias with atmosphere pressure of 0.3 atm, and temperatures of 100+ degrees Celsius.


I know that, but I didn't see the screenshot showing the atmospheric pressure. However, I think this could not be water as we know and could boil at a much higher temperature.


Edited by Canleskis - Sunday, 10.04.2016, 13:45
 
DarkenTerraDate: Sunday, 10.04.2016, 14:36 | Message # 2200
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Quote Fireinthehole ()
...and lower. I've seen many oceanias with atmosphere pressure of 0.3 atm, and temperatures of 100+ degrees Celsius.

Air pressure is actually proportional to the boiling point, unfortunately the situation that you saw is very likely to be a bug. sad





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x264fhdbenchmarkDate: Sunday, 10.04.2016, 14:57 | Message # 2201
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Can someone explain how does exactly "Loading speed" option work?
Is this some kind of priority slider?
1 = render scene first and then generate planet
50 = generate planet and then render.

Also SpaceEnginer could you add FPS limiter in options? Personally I prefer stable 30 fps than variable 30-45 fps. Extra GPU cycles should be automatically used for planet generation.

BTW. Is this normal behaviour?
https://youtu.be/XK_e1M_njdk


Edited by x264fhdbenchmark - Sunday, 10.04.2016, 15:37
 
MosfetDate: Sunday, 10.04.2016, 15:14 | Message # 2202
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Just out of completeness, I've filtered out scorched terras in a range of 1000 ly. Every one I visited shared the same system/orbital configuration. Three examples:




PS:
Did I ever mentioned how much I love this program?

Attachments: 9943248.jpg(229Kb) · 1302074.jpg(250Kb) · 7154994.jpg(248Kb)





"Time is illusion. Lunchtime doubly so."
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Edited by Mosfet - Sunday, 10.04.2016, 15:22
 
eliotmniDate: Sunday, 10.04.2016, 16:31 | Message # 2203
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Hi ! I'm not sure this is a bug, but it looks like one.

As you can see, the planet on the right is totaly hidden from the sun by the planet on the left. So no more light.
But the left planet's night side isn't all black like it should be.
It is still enlightened, just a bit as if the dark one continued to reflect light with an enlightened side.
(sorry I'm french, bad english ^^)

 
LookAtDatDakkaDate: Sunday, 10.04.2016, 16:45 | Message # 2204
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Quote eliotmni ()
Hi ! I'm not sure this is a bug, but it looks like one.

As you can see, the moon the right is totally hidden from the sun by the planet on the left, therefore the moon is dark.
But the left planet's night side isn't all black like it should be.
It is still enlightened, just a bit as if the dark one continued to reflect light with an enlightened side.
(sorry I'm french, bad english ^^)


This is not a bug. The moon is behind a planet. I think this is intentional.





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Edited by LookAtDatDakka - Sunday, 10.04.2016, 16:52
 
MosfetDate: Sunday, 10.04.2016, 16:46 | Message # 2205
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what's the name of the planet?




"Time is illusion. Lunchtime doubly so."
Douglas N. Adams
My mods
Asus x555ub: cpu i5-6200u - ram 4gb - gpu nvidia geforce 940m 2gb vram
 
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