Alien Expansion. You need the core game of Dawn on Titan to make use of this expansion.

What’s new?
The alien technology expansion adds among other things 40 Alien moonlets with four new exciting Alien technologies you can use to your advantage; Wormholes, Alien ships, Time anomalies, and Space anomalies. These give you both new industry and Combat actions that you can use in your pursuit to become the dominant force in the solar system!