How many meters is one astronomical unit, as defined exactly by the IAU in 2012? Answer with the whole number only.
What is the capital of Ghana? Answer with the city name only.
What is the capital of Finland? Answer with the city name only.
In what year did Concorde enter commercial service? Answer with the four-digit year only.
How many letters long is an ICAO airline designator? Answer with the whole number only.
The Boeing 747 has three engines. Answer true or false.
How many dwarf planets does the International Astronomical Union officially recognize? Answer with the whole number only.
In what year did Paul Dirac publish his relativistic equation for the electron? Answer with the four-digit year only.
In what year was Zarya, the first module of the International Space Station, launched? Answer with the four-digit year only.
What is the two-character IATA code of KLM? Answer with the two-character code only.
