Which airline alliance does Air France belong to? Answer with the alliance's full name.
Sound travels faster in water than in air. Answer true or false.
In what year was the Boeing 737 MAX grounded worldwide after two crashes? Answer with the four-digit year only.
In what year was the SkyTeam airline alliance founded? Answer with the four-digit year only.
How many countries share a land border with Germany? Answer with the whole number only.
What is the largest US state by area? Answer with the name only.
Which color of visible light has the longest wavelength? Answer with the color name only, in lowercase.
In what year did Roger Penrose, Reinhard Genzel and Andrea Ghez share the Nobel Prize in Physics? Answer with the four-digit year only.
What is the two-character IATA code of Turkish Airlines? Answer with the two-character code only.
In what year did IndiGo operate its first flight? Answer with the four-digit year only.
Which moon of Jupiter is the most volcanically active body in the Solar System? Answer with the name only.
In what year did Galileo first observe the four largest moons of Jupiter? Answer with the four-digit year only.
What is the capital of Nepal? Answer with the city name only.
In what year was the first Bose-Einstein condensate produced in a laboratory? Answer with the four-digit year only.
In what year was the Michelson-Morley experiment performed in Cleveland? Answer with the four-digit year only.
In what year was the James Webb Space Telescope launched? Answer with the four-digit year only.
What is the capital of Hungary? Answer with the city name only.
How many characters long is an IATA airport code? Answer with the whole number only.
