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