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