A swamp dimension, which you have to visit during your quests.
Tier 5 rocket on its launchpad
Thermal Expansion magmatic dynamos
Northern Lights
This dimension has a lot of new dangerous mobs and bosses you can fight with nice loot.
screenshot using optifine OptiFine_1.12.2_HD_U_E3 and SEUS shader.
for Calcium Sulfate. Semifinished product for a lot of high tier parts. The production line also produces hydrofluoric acid as a byproduct, which is used to produce fuel and coolant for the molten salt reactor.
Field from Biomes o plenty
Inside the omothol fortress, where you have to fight the boss J'zahar.
The matter transmitter from RF Tools
abandoned spacestation
journeymap view
The water level in the betweenlands is much higher than in the overworld and the caves are much deeper.
With connected heat exchangers and turbines. This one produces about 100k RF/t with a much lower fuel consumtion rate than a normal fission reactor.
In the abyssal wastelands
this dimension was added in version 1.72
screenshot using optifine OptiFine_1.12.2_HD_U_E3 and the BSL v7.0 shader.
Sunset on mercury
Landing on Venus
Actually Additions empowerer
in the dreadlands
where you assemble your rockets and surface vehicles
Area of destruction after ignition of an oblivion deathbomb
Hughe caves in the overworld
Tier 4. It produces about 180 kRF/t. It depends of what kind of fuel you use, hydrogen, deuterium, tritium, lithium or boron isotopes or mixtures of them. Screenshot was taken while using shaders.
Sunset with Betweenlands Portal tree
on Uranus
Decontamination unit from Extraplanets
inside the Titan outpost
Uranus
This one is active cooled with liquid helium and produces between 140 and 500k RF/t, depending of the fuel used. In the foreground a system to produce primary coolant and fuel for a molten salt reactor
Questbook
asteroids
Surface of Callisto, one of Jupiters moons
Saturns moon Titan has lakes of liquid methane !