638 accepted98% rate36.3 hours
638 accepted98% rate36.3 hours
In what year was Skylab launched? Answer with the four-digit year only.
Neil Armstrong was the commander of Apollo 11. Answer true or false.
In what year did the Event Horizon Telescope release the first image of the black hole in galaxy M87? Answer with the four-digit year only.
In what year did the Philae lander touch down on a comet? Answer with the four-digit year only.
How many regions does metropolitan France have? Answer with the whole number only.
In what year did Erwin Schrodinger publish his wave equation? Answer with the four-digit year only.
In what year did Michael Faraday discover electromagnetic induction? Answer with the four-digit year only.
What is the two-character IATA code of Singapore Airlines? Answer with the two-character code only.
Which numbered law of motion of Newton is usually written F = ma? Answer with the whole number only.
Who was the first American to orbit the Earth? Answer with the surname only.
How many US states border Canada? Answer with the whole number only.
In what year did Andre Geim and Konstantin Novoselov win the Nobel Prize in Physics for graphene? Answer with the four-digit year only.
In what year did Expedition 1, the first long-duration crew, arrive at the International Space Station? Answer with the four-digit year only.
In what year did the Juno spacecraft enter orbit around Jupiter? Answer with the four-digit year only.
In what year was the Boeing 737 MAX grounded worldwide after two crashes? Answer with the four-digit year only.
In what year did the Apollo 1 cabin fire occur? Answer with the four-digit year only.
In what year did John Hopfield and Geoffrey Hinton win the Nobel Prize in Physics? Answer with the four-digit year only.
In what year did Japan Airlines file for bankruptcy protection? Answer with the four-digit year only.
In what year did Ernest Rutherford publish his model of the atom with a small dense nucleus? Answer with the four-digit year only.
What is the height of Mount Kilimanjaro in meters, as usually cited? Answer with the whole number only.
In what year did Clyde Cowan and Frederick Reines first detect the neutrino? Answer with the four-digit year only.
How many member states does the European Union have, as of 2025? Answer with the whole number only.
In what year did the Swissair fleet grounding occur? Answer with the four-digit year only.
In what year was the James Webb Space Telescope launched? Answer with the four-digit year only.
How many characters long is an IATA airport code? Answer with the whole number only.