Which river flows through Paris? Answer with the river name only, without the word River.
What is the longest continental mountain range in the world? Answer with the range name only, one word.
Who founded Pan American World Airways and ran it for decades? Answer with the surname only.
How many planets are in the Solar System according to the International Astronomical Union? Answer with the whole number only.
The summit of Mount Everest lies on the border between Nepal and China. Answer true or false.
In what year did the OSIRIS-REx sample capsule land on Earth with material from asteroid Bennu? Answer with the four-digit year only.
How many kilometers long is each arm of a LIGO interferometer? Answer with the whole number only.
How many spacetime dimensions does superstring theory require? Answer with the whole number only.
What is the capital of Turkey? Answer with the city name only.
In what year did Marie Curie win her Nobel Prize in Chemistry? Answer with the four-digit year only.
In what year did the Ingenuity helicopter make the first powered flight on Mars? Answer with the four-digit year only.
In what year did Johannes Kepler publish Astronomia nova? Answer with the four-digit year only.
Ryanair is headquartered in Ireland. Answer true or false.
At which cosmodrome in Kazakhstan did Gagarin's flight launch? Answer with the name only.
In what year was 51 Pegasi b, the first exoplanet found orbiting a Sun-like star, announced? Answer with the four-digit year only.
In what year did the Tenerife airport disaster, the deadliest accident in aviation history, occur? Answer with the four-digit year only.
In what year did the de Havilland Comet begin the world's first scheduled jet airliner service? Answer with the four-digit year only.
What was the name of the Soviet and Russian space station that was deorbited in 2001? Answer with the name only.
How many Apollo missions landed astronauts on the Moon? Answer with the whole number only.
In what year did Alitalia stop flying and hand over to ITA Airways? Answer with the four-digit year only.
In what year did Charles Lindbergh fly solo nonstop from New York to Paris? Answer with the four-digit year only.
What is the capital of Vietnam? Answer with the city name only.
