OMG! Please tell me I'm imagining this...

CMDR Dreamstate

CMDR Dreamstate
Tell me what is wrong with this picture...

Ir2MB9G.jpg
 

Zeeman

Zeeman
Well, back side of the planets would be frozen, no atmosphere to keep temps in, not sure how quickly the surface would cool, though...

Need space scientists to chime in please...

Z...
 

Dietger

Dietger
I remember reading somewhere, that a high gravity and or atmospheres could sustain ice under high temperatures. I doubt though, that little more then 2.0 G can.
 
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Uiros Ueramos

Uiros Ueramos
I have seen this type of stuff in my explorations. A few like the above. Some with very low gravity, but extremely high pressure atmospheres, others with small mass but very high temperatures, orbiting very far away from a red dwarf, etc...

Nothing new, just "really realistic" Star Forge. Working as intended !! ;)
 

Vlad Tepes

Vlad Tepes
Although this planet radius seems to be too small, having an ice planet orbiting very close to a star and not melting is possible. Would love to see if that ice is actually burning :p
but the conditions on surface are keeping it ice and preventing it to melt at the same time.

Check Gliese 436 b, if I get I right, very high gravity keep the water solid, forming a special kind of ice named ice VII with extreme pressure and temperature. That's a world with very special conditions that can give scientists a good headhache :)

That's awesome the Stellar Forge actually renders that kind of extreme world!

Here is a little link for more explanations https://astronaut.com/the-planet-of-burning-ice/
 

Flimley

Flimley
The only mitigating circumstances I can see for that planet is the 17.47 earth masses which would hold that ice under such incredible pressure as to make difficult to melt.... It would be as solid as rock. And from what I understand the main stars temperature being 640K is low.
However one would expect to see an atmosphere that close, shielding the planet somewhat.

Thats my thoughts.

Flimley
 
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Ziljan

Ziljan
Zeeman said:
Well, back side of the planets would be frozen, no atmosphere to keep temps in, not sure how quickly the surface would cool, though...

Need space scientists to chime in please...

Z...
Click to expand...

The temp doesn't need to be cool to get ice. I've posted this info many times on the Exploration boards. The science of exotic hot ice planets hasn't been popularized on the main boards yet though.

Water ice comes in many forms, some hot and some cold and each with a different crystaline structure. And yes, this planet is perfectly possible and we've discovered RL exoplanets that are candidates. The trick to making water solid at such a high temp is to have a high pressure. With a 17 earth mass planet this is certainly possible.

Below is a graph of the various types of water in liquid vapor or solid: The planet above would probably be something like Ice VII.

725px-Phase_diagram_of_water.svg.png
 
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