Here is the full list of all 9 Fringes of the Empire achievements.
Lose your first ship.
Kill an enemy ship.
Let your fighters score the death blow on a large enemy ship.
Make contact with an alien species.
Cause an auto-accident in space.
Send in the demolitions specialist to destroy an enemy spacecraft.
Destroy a missile or fighter with the point defense laser.
Travel between star systems.
Use concentrated fire from certain munition types to pop a welded mount and send an enemy gun flying off into space.