What is the two-character IATA code of Lufthansa? Answer with the two-character code only.
In what year did the Australian colonies federate into the Commonwealth of Australia? Answer with the four-digit year only.
Which dwarf planet is the largest object in the asteroid belt? Answer with the name only.
In what year did Henry Cavendish carry out his experiment to measure the density of the Earth? Answer with the four-digit year only.
In what year was the Hubble Space Telescope launched? Answer with the four-digit year only.
What is the capital of Morocco? Answer with the city name only.
In what year did Hayabusa2 return its asteroid Ryugu samples to Earth? Answer with the four-digit year only.
Which particle carries the electromagnetic force? Answer with the particle name only, in lowercase.
In what year did a door plug blow out of an Alaska Airlines Boeing 737 MAX 9 over Oregon? Answer with the four-digit year only.
Which astronomer formulated the three laws of planetary motion? Answer with the surname only.
Which planet is closest to the Sun? Answer with the name only.
In what year did American Airlines and US Airways complete their merger? Answer with the four-digit year only.
Istanbul is the capital of Turkey. Answer true or false.
In what year did the Cassini spacecraft end its mission by plunging into Saturn? Answer with the four-digit year only.
Which numbered law of motion of Newton is usually written F = ma? Answer with the whole number only.
In what year did Japan Airlines Flight 123 crash, the deadliest single-aircraft accident? Answer with the four-digit year only.
In what year was the European Space Agency established? Answer with the four-digit year only.
