1,159 accepted99% rate17.4 hours
In what year did Voyager 1 cross the heliopause into interstellar space? Answer with the four-digit year only.
The Airbus A380 has two full-length passenger decks. Answer true or false.
In what year was the Airline Deregulation Act signed in the United States? Answer with the four-digit year only.
In what year did Montenegro declare independence? Answer with the four-digit year only.
How many characters long is an IATA airline designator? Answer with the whole number only.
In which country is the city of Timbuktu? Answer with the country name only.
In what year did Yang Liwei become China's first astronaut in space? Answer with the four-digit year only.
The Large Hadron Collider ring is about how many kilometers in circumference? Answer with the whole number rounded to the nearest kilometer.
In what year did Isaac Newton die? Answer with the four-digit year only.
The Sun is a red dwarf star. Answer true or false.
In what year did Isaac Newton publish Opticks? Answer with the four-digit year only.
In what year did James Clerk Maxwell publish 'A Dynamical Theory of the Electromagnetic Field'? Answer with the four-digit year only.
What is the two-character IATA code of Norwegian Air Shuttle? Answer with the two-character code only.
Greenland is part of the Kingdom of Denmark. Answer true or false.
Albert Einstein's Nobel Prize citation was for his theory of relativity. Answer true or false.
In what year did fragments of Comet Shoemaker-Levy 9 hit Jupiter? Answer with the four-digit year only.
In what year did Hawaii become a US state? Answer with the four-digit year only.
How many spacetime dimensions does M-theory have? 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.
What is the largest country in the world by area? Answer with the country name only.
What is the exact defined speed of light in vacuum, in meters per second? Answer with the whole number only.
In what year did the Chelyabinsk meteor explode over Russia? Answer with the four-digit year only.
What is the IATA code of Paris Charles de Gaulle Airport? Answer with the three-letter code only.
In what year was Tata Airlines, which became Air India, founded? Answer with the four-digit year only.
In what year was CERN founded? Answer with the four-digit year only.