Astronaut badge is earned based on the number of times you activate boosters. The more boosters you activate and the better your performance in the game and the higher your badge level becomes.
- Activating 5 boosters earns you the bronze badge.
- Activating 20 boosters earns you the silver badge.
- Activating 50 boosters earns you the gold badge.
- Activating 100 boosters earns you the ruby badge.
Please click the following link for more details about the badges you can earn and their requirements:
https://blog.jawaker.com/jawakerbadges-en/