Select difficulty:
Your name:
Enter game code:
Q1: Which planet is famous for its spectacular rings?
Q2: Which is known as the Red Planet?
Q3: Extremely large black holes found at the centers of most galaxies are called...
Q4: Which is the largest planet in our Solar System?
Q5: The galaxy we live in...
Q6: Which is the closest star to the Earth? (excluding the Sun)
Q7: Which planet hosts the Great Red Spot?
Q8: Which is the brightest star in the night sky?
HQ1: What is the most luminous known quasar? (as of late 2025)
HQ2: The thermal radiation left over from the Big Bang is...
HQ3: The universeβs most energetic explosions are...
HQ4: What are the hypothetical particles that travel faster than light?
HQ5: The brightest objects in the observable universe are powered by these:
HQ6: What is the nickname of the brightest non-repeating fast radio burst ever detected?
HQ7: What is the theoretical boundary around a black hole beyond which nothing can escape?
HQ8: What is the nearest known potentially habitable exoplanet orbiting Proxima Centauri?