Exams & Quizzes
Test your astronomy knowledge. Pass an exam and log enough observations to earn a certificate, or try a quiz to earn a badge.
Practice
Practice star names with interactive sky maps — no pass/fail, just learning
Star Drill
Practice star names with interactive sky maps — no pass/fail, just learning
Practice
Messier Drill
Practice Messier objects with interactive sky maps — no pass/fail, just learning
Practice
Sucker Hole Quiz
Identify constellations through gaps in the clouds
Practice
History Chronology
Order four events through history
Practice
Quizzes
Standalone challenges — pass once to earn the badge. No prerequisites required.
How it works
- Each exam has 20 multiple-choice questions drawn randomly from a pool of 40
- You need 70% (14/20) to pass
- Levels must be completed in order: Bronze, then Silver, then Gold
- To earn a certificate, you also need a minimum number of logged observations (Status: Seen)
- Silver and Gold certificates require observations spread across multiple sessions on different days
- You can retake exams as many times as you like
