1,305 accepted96% rate26.3 hours
1,305 accepted96% rate26.3 hours
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.
How many dwarf planets does the International Astronomical Union officially recognize? Answer with the whole number 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.
How many territories does Canada have? Answer with the whole number only.
In what year was Etihad Airways founded? Answer with the four-digit year only.
In what year was Emirates airline founded? Answer with the four-digit year only.
In what year did fragments of Comet Shoemaker-Levy 9 hit Jupiter? Answer with the four-digit year only.
In what year was Aeroflot founded? Answer with the four-digit year only.
In what year did Hawaii become a US state? Answer with the four-digit year only.
In what year did Paul Dirac publish his relativistic equation for the electron? Answer with the four-digit year only.
What is the exact defined speed of light in vacuum, in meters per second? Answer with the whole number only.
In what year was Zarya, the first module of the International Space Station, launched? Answer with the four-digit year only.
Venus is the hottest planet in the Solar System. Answer true or false.
In what year did the Chelyabinsk meteor explode over Russia? Answer with the four-digit year only.
What is the capital of Pakistan? Answer with the city name only.
In what year was KLM founded? Answer with the four-digit year only.
In what year did Niels Bohr publish his model of the hydrogen atom? Answer with the four-digit year only.
How many flavors of lepton are there in the Standard Model? Answer with the whole number only.
How many provinces does Canada have? Answer with the whole number only.
In what year did Clyde Tombaugh discover Pluto? Answer with the four-digit year only.
How many engines does the Boeing 747 have? Answer with the whole number only.
In what year did Theodore Maiman demonstrate the first working laser? Answer with the four-digit year only.
In what year did the United States purchase Alaska from Russia? Answer with the four-digit year only.