Here is the full list of all 25 Heavenly Bodies achievements.
Eject a gardening tool via the disposal chute.
Recover from a near-death experience.
Plant a navigation flag into an asteroid.
Complete all challenges in Minerals.
Complete all challenges in Vision.
Complete all challenges in Data.
Complete all challenges in Evacuation.
Complete Evacuation.
Bring the trophy to the escape pod during Evacuation.
Find all the mission collectables.
Complete Energy.
Complete all challenges in Energy.
Complete Oxygen.
Complete all challenges in Oxygen.
Complete all challenges in Sunlight.
Cause an explosive decompression from the airlock.
Film yourself with the film camera.
Complete Minerals.
Complete Vision.
Get into the telescope assembly bay.
Complete Data.
Complete Sunlight.
Complete any level in Newtonian mode.
Safely perform an airlock decompression sequence.
Board the space station.