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Which mountain range forms most of the border between France and Spain? Answer with the English name only, one word.
In what year was Voyager 1 launched? Answer with the four-digit year only.
Lufthansa is headquartered in France. Answer true or false.
Saturn's average density is lower than that of water. Answer true or false.
What is the two-character IATA code of Emirates? Answer with the two-character code only.
What is the two-character IATA code of Swiss International Air Lines? Answer with the two-character code only.
Airport code FCO belongs to the main international airport of which city? Answer with the city name only.
How many neutrons are in the nucleus of carbon-12? Answer with the whole number only.
In what year did London Heathrow's Terminal 5 open? Answer with the four-digit year only.
What is the name of Russia's state space corporation? Answer with the name only.
What is the longest river in Asia? Answer with the English river name only, without the word River.
How many Great Lakes of North America are there? Answer with the whole number only.
In what year did the Panama Canal open? Answer with the four-digit year only.
In what year was Niels Bohr awarded the Nobel Prize in Physics? Answer with the four-digit year only.
In what year did Brasilia become the capital of Brazil? Answer with the four-digit year only.
What is the largest freshwater lake in the world by surface area? Answer with the lake name only, without the word Lake.
In what year did the Tunguska event flatten forest in Siberia? Answer with the four-digit year only.
In what year did LIGO record GW150914, the first direct detection of gravitational waves? Answer with the four-digit year only.
In what year did Edwin Hubble publish the relation between galaxy distance and recession velocity? Answer with the four-digit year only.
Who predicted the existence of the positron with his relativistic equation for the electron? Answer with the surname only.
Which founder of Blue Origin also founded Amazon? Answer with the surname only.
What is the capital of Nigeria? Answer with the city name only.
What is the SI base unit of amount of substance? Answer with the unit name only, in lowercase.
How many characters long is an ICAO airport code? Answer with the whole number only.
How many sovereign countries are there in South America? Answer with the whole number only.