How many Earth days long is a Martian year? Answer with the whole number rounded to the nearest day.
What is the IATA code of London Heathrow Airport? Answer with the three-letter code only.
What is the IATA code of London Heathrow Airport? Answer with the three-letter code only.
Which river flows through both Vienna and Budapest? Answer with the English river name only, without the word River.
What is the capital of Senegal? Answer with the city name only.
Airport code ICN belongs to the main international airport of which city? Answer with the city name only.
In what year did Southwest Airlines operate its first flights? Answer with the four-digit year only.
In what year did Southwest Airlines operate its first flights? Answer with the four-digit year only.
The Boeing 787 airframe is made largely of carbon-fiber composite. Answer true or false.
What is the name of NASA's program to return astronauts to the Moon, named after Apollo's twin sister? Answer with the name only.
In what year did the Boeing 787 Dreamliner enter commercial service? Answer with the four-digit year only.
In what year did the Boeing 787 Dreamliner enter commercial service? Answer with the four-digit year only.
How many states does Mexico have, not counting Mexico City? Answer with the whole number only.
How many federal states (Lander) does Germany have? Answer with the whole number only.
Which astronomer published the heliocentric model in 1543? Answer with the surname only.
What is the SI unit of magnetic flux density? Answer with the unit name only, in lowercase.
What is the name of the nearest large spiral galaxy to the Milky Way? Answer with the one-word name only.
What is the world's largest island that is not a continent? Answer with the name only.
What is the world's largest island that is not a continent? Answer with the name only.
In what year was the first Solvay Conference on physics held? Answer with the four-digit year only.