Have fun while you study!

Simulated for the tests of the Brazilian Astronomy and Astronautics Olympiad (OBA).
The questions are adapted from the actual tests held since the first year of the Olympiad, organized in an exciting quiz, to have fun and test your knowledge of astronomy and astronautics.

The OBA Simulation is mainly intended for students who will participate in the OBA level 1, 2, 3 or 4 exams.

Level 1: Students from 1st to 3rd year;
Level 2: Students from grades 4 to 5;
Level 3: Students from 6th to 9th grade;
Level 4: Students in any grade / year of high school.

Good studies and good proof!