Here is the full list of all 45 Spacelines from the Far Out achievements.
Fly a ship with all 15 classes of systems installed
Acquire 30 system upgrades
Unlock 3 ship blueprints
Explode your ship 5 times
Prepare 50 meals
Unlock 25 customizations
Unlock a ship blueprint
Reach planet Gambulon V
Reach Gambulon V with a 5-star rating
Reach the Vacation Sector for the first time
Identify 1000 objects in space
Pass 5 health inspections
Fly 350 passengers
Unlock 10 employees
Get shut down by the health inspector
Nearly miss a comet
Exceed your ship's maximum passenger capacity
Fly 200 passengers
Get a 5-star rating for the first time
Buy ship insurance for the first time
Fly a total of 20000 AU
Run out of fuel once
Reach the Gamma Sector for the first time
Have your flight attendant vomit
Repair 100 broken systems
Fly 100 passengers
Unlock your first new employee
Explode your ship once
Customize your spaceline for the first time
Arrive at the Company Terminal
Survive the tutorial
Complete 5 routes while playing co-op (local or online)
Acquire your first system upgrade
Nail 200 dance moves
Unlock a customization
Complete your first route
Buy all 3 items at once at Droidley's
Unlock 50 customizations
Unlock 6 ship blueprints
Run out of fuel 5 times
Have 5 passengers simultaneously satisfied
Clean a toilet or a puddle of puke 30 times
Serve 200 meals
Heal 10 sick passengers
Unlock all achievements