I'm the Great Lord of KSP-Players community (and also the most modest.)
- and Graphic mods.
(and screenshots of planets with graphical mods)
Landed in the crater near lava, the temperature is around 700 K, some parts of the probe are melting, but I've had time for some experiments that shows the rocks of Nightmare's mountains are the same as Gol rock! So, Nightmare is a part of Gol, like Gol is a part of Gaia, it's like Inception!
|Biome||Outer Core Magma|