Here is the full list of all 21 Earth Space Colonies achievements.
Land on Ceres
First human on Mars
Armed to the teeth
Build two nuclear powerplants
Build military base
Colony population is 1000 people
Terraform Mars
Survive five disasters
Destroy invaders
Build Observatory
Build Hotel
Land on Ganymede
Eliminate enemy soldiers
Destroy enemy fighters
Train ten troopers
Destroy enemy tanks
Destroy two dropships
Launch ten rockets
The Survivalist