Infrared light has a shorter wavelength than ultraviolet light. Answer true or false.
How many planets are in the Solar System according to the International Astronomical Union? Answer with the whole number only.
What is the longest river in Europe? Answer with the river name only, without the word River.
How many kilometers long is each arm of a LIGO interferometer? Answer with the whole number only.
What is the capital of Kenya? Answer with the city name only.
What is the capital of Turkey? 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.
Which airport handled the most passengers in the world in 2024? Answer with the city name only.
Ryanair is headquartered in Ireland. Answer true or false.
In what year did South Sudan become independent? 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.
How many constellations does the International Astronomical Union recognize? Answer with the whole number only.