This achievement requires you to activate the Gatewat Engine of Calidor the Arid planet of this solar system.
As for any other Gateway Engine, you need to activate a Gateway Chamber first. They both are tall black geometric structures.
on how to activate a Chamber).
To activate the Engine on Calidor you need Explosive Podwer
Inside the Engine (Core) you have 2 "sides", one with a central platform and one with 3 triangle platforms on which you can connect a ressource.
Plug some Explosive Powder in one of the 3 slots, it will make a Geometric Triptych.
Take the Geometric Triptych to the other side and put it on the central platform.
*To make Explosive Powder you need to put 2 Carbon and 1 Sulfur in the Chemistry Lab.