1,418 accepted98% rate23.8 hours
1,418 accepted98% rate23.8 hours
In what year was the core module of the Mir space station launched? Answer with the four-digit year only.
The Great Red Spot is a storm on Saturn. Answer true or false.
Which European country occupies most of the Jutland peninsula? Answer with the country name only.
Who unified electricity, magnetism and light in a set of equations in the 1860s? Answer with the surname only.
What is the capital of Australia? Answer with the city name only.
What is the two-character IATA code of Cathay Pacific? Answer with the two-character code only.
In what year did Virgin Atlantic operate its first flight? Answer with the four-digit year only.
The neutron carries a positive electric charge. Answer true or false.
In what year did the Panama Canal open? Answer with the four-digit year only.
Norway is a member of the European Union. Answer true or false.
Lufthansa is headquartered in France. Answer true or false.
Which mountain range forms most of the border between France and Spain? Answer with the English name only, one word.
Saturn's average density is lower than that of water. Answer true or false.
Airport code FCO belongs to the main international airport of which city? Answer with the city name only.
In what year did London Heathrow's Terminal 5 open? Answer with the four-digit year only.
How many Great Lakes of North America are there? Answer with the whole number only.
In what year did Edwin Hubble publish the relation between galaxy distance and recession velocity? Answer with the four-digit year only.
What is the SI unit of electrical resistance? Answer with the unit name only, in lowercase.
Which founder of Blue Origin also founded Amazon? Answer with the surname only.
In what year did the Tunguska event flatten forest in Siberia? Answer with the four-digit year only.
What is the SI base unit of amount of substance? Answer with the unit name only, in lowercase.
How many sovereign countries are there in South America? Answer with the whole number only.
How many characters long is an ICAO airport code? Answer with the whole number only.
How many hexagonal segments make up the James Webb Space Telescope's primary mirror? Answer with the whole number only.
In what year was the kilogram redefined in terms of the Planck constant, taking effect on 20 May? Answer with the four-digit year only.