1. Which planet is the largest in our solar system?

2. Who developed the theory of relativity?

3. What unit is used to measure electrical resistance?

4. What is the freezing point of water in Fahrenheit?

5. What is the point of no return around a black hole called?

6. What is the effect where a superconductor expels magnetic fields, causing levitation?

7. For which discovery did Albert Einstein win his Nobel Prize in Physics?

8. What is the term for a quantum system existing in multiple states at once?

9. Which gas is primarily responsible for the common green color seen in an Aurora?

10. What three phases of matter coexist at the triple point?

11. What type of storm is Jupiter's Great Red Spot?

12. What essentially 'froze' the sound waves of the early universe into the BAO we see today?

13. How many 'flavors' of quarks have been identified by physicists?

14. Dark energy is estimated to make up approximately what percentage of the universe?

15. Which organisms were primarily responsible for the Great Oxidation Event?

16. What is the name of the boundary Voyager 1 crossed to enter interstellar space?

17. What is the name of the spherical shell of icy bodies at the very edge of the Sun's gravitational influence?

18. What did Einstein call the phenomenon of quantum entanglement?

19. What key criterion caused Pluto to be reclassified as a dwarf planet in 2006?

20. Many of the early orbital irregularities attributed to Planet X were later explained by what?