1,615 accepted99% rate17.3 hours
1,615 accepted99% rate17.3 hours
How many characters long is an IATA airport code? Answer with the whole number only.
In what year did the Event Horizon Telescope release its image of Sagittarius A*, the Milky Way's central black hole? Answer with the four-digit year only.
What is the spin of the Higgs boson? Answer with the whole number only.
What is the SI unit of electric charge? Answer with the unit name only, in lowercase.
Since 2022, Boeing's global headquarters has been in which Virginia city? Answer with the city name only.
Around which numbered Sun-Earth Lagrange point does the James Webb Space Telescope orbit? Answer with the whole number only.
Who was the command module pilot of Apollo 11, who stayed in lunar orbit? Answer with the surname only.
Who was the first American woman in space? Answer with the surname only.
What is the SI base unit of luminous intensity? Answer with the unit name only, in lowercase.
What is the two-character IATA code of United Airlines? Answer with the two-character code only.
What is the capital of the US state of California? Answer with the city name only.
What is the IATA code of London Heathrow Airport? Answer with the three-letter code only.
What is the capital of Senegal? Answer with the city name only.
In what year was Sputnik 1 launched? Answer with the four-digit year only.
The Boeing 787 airframe is made largely of carbon-fiber composite. Answer true or false.
In what year did Southwest Airlines operate its first flights? Answer with the four-digit year only.
Qantas is the flag carrier of Australia. Answer true or false.
How many Earth days long is a Martian year? Answer with the whole number rounded to the nearest day.
In what year did the Boeing 787 Dreamliner enter commercial service? Answer with the four-digit year only.
How many states does Mexico have, not counting Mexico City? Answer with the whole number only.
What was the name of the helicopter that flew on Mars in 2021? Answer with the name only.
What is the SI unit of magnetic flux density? Answer with the unit name only, in lowercase.
In what year did Albert Einstein publish his paper 'On the Electrodynamics of Moving Bodies', introducing special relativity? Answer with the four-digit year only.
What is the capital of the Philippines? Answer with the city name only.
In which country is Mount Kilimanjaro? Answer with the country name only.