You can add a planet to your planetary collection after reaching certain milestones in Solartrip.
Examples of milestones on Solartrip are:
- Book your ticket and take a flight
- Book and complete a stay
- Fly to or stay in five different countries
- Complete your tenth order in-app
- Pay for a flight or trip in cryptocurrency
- Invite five friends to sign-up to Solartrip*