1,305 accepted96% rate26.3 hours
1,305 accepted96% rate26.3 hours
What is the capital of Turkey? Answer with the city name only.
In what year was the Kepler space telescope launched? Answer with the four-digit year only.
What is the four-letter acronym of India's national space agency? Answer with the acronym only.
In which country is the ancient city of Petra? Answer with the country name only.
Which airport handled the most passengers in the world in 2024? Answer with the city name only.
How many states does the United States have? Answer with the whole number only.
Ryanair is headquartered in Ireland. Answer true or false.
In what year did the Tenerife airport disaster, the deadliest accident in aviation history, occur? Answer with the four-digit year only.
In what year did South Sudan become independent? Answer with the four-digit year only.
What was the name of the Soviet and Russian space station that was deorbited in 2001? Answer with the name only.
In what year did Viking 1 land on Mars? Answer with the four-digit year only.
How many Apollo missions landed astronauts on the Moon? Answer with the whole number only.
At which cosmodrome in Kazakhstan did Gagarin's flight launch? Answer with the name only.
Who discovered the neutron in 1932? Answer with the surname only.
What is the capital of Afghanistan? Answer with the city name only.
How many constellations does the International Astronomical Union recognize? Answer with the whole number only.
How many Nobel Prizes in Physics did John Bardeen win? Answer with the whole number only.
In what year did Charles Lindbergh fly solo nonstop from New York to Paris? Answer with the four-digit year only.
What is the largest moon of Saturn? Answer with the name only.
What is the capital of Vietnam? Answer with the city name only.
In what year did Alessandro Volta announce the voltaic pile, the first electric battery? Answer with the four-digit year only.
In what year did Fermilab announce the discovery of the top quark? Answer with the four-digit year only.
In what year did the de Havilland Comet begin the world's first scheduled jet airliner service? Answer with the four-digit year only.
Bolivia is landlocked. Answer true or false.
In what year was the Chernobyl nuclear accident? Answer with the four-digit year only.