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Infrared light has a shorter wavelength than ultraviolet light. Answer true or false.
How many kilometers long is each arm of a LIGO interferometer? Answer with the whole number only.
What is the largest moon of Neptune? Answer with the name only.
What is the capital of Turkey? Answer with the city name only.
In which country is the ancient city of Petra? Answer with the country name only.
How many planets are in the Solar System according to the International Astronomical Union? Answer with the whole number only.
How many spacetime dimensions does superstring theory require? Answer with the whole number only.
What is the longest river in Europe? Answer with the river name only, without the word River.
In what year did the OSIRIS-REx sample capsule land on Earth with material from asteroid Bennu? 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 was the Kepler space telescope launched? Answer with the four-digit year only.
Who founded Virgin Atlantic? Answer with the surname only.
What is the capital of the US state of Illinois? Answer with the city name only.
Which airport handled the most passengers in the world in 2024? Answer with the city name only.
What is the four-letter acronym of India's national space agency? Answer with the acronym only.
In what year did Marie Curie win her Nobel Prize in Chemistry? Answer with the four-digit year only.
How many states does the United States have? Answer with the whole number only.
In what year did Johannes Kepler publish Astronomia nova? Answer with the four-digit year only.
In what year did South Sudan become independent? Answer with the four-digit year only.
Ryanair is headquartered in Ireland. Answer true or false.
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 Namibia become independent? Answer with the four-digit year 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.
What was the name of the Soviet and Russian space station that was deorbited in 2001? Answer with the name only.
In what year was Cathay Pacific founded? Answer with the four-digit year only.