967 accepted99% rate13.7 hours
967 accepted99% rate13.7 hours
What is the height of Aconcagua in meters, as usually cited? Answer with the whole number only.
In what year did Eritrea become formally independent from Ethiopia? Answer with the four-digit year only.
In what year did the Obninsk plant in the Soviet Union become the first nuclear power station to supply an electricity grid? Answer with the four-digit year only.
What is the IATA code of Beijing Capital International Airport? Answer with the three-letter code only.
What is the capital of Argentina? Answer with the city name only.
Who was the first American in space, in 1961? Answer with the surname only.
In what year did NASA's DART spacecraft impact the asteroid Dimorphos? Answer with the four-digit year only.
In what year did the Airbus A321XLR enter commercial service? Answer with the four-digit year only.
Which company builds the Falcon 9 rocket? Answer with the name only.
The joule is the SI unit of force. Answer true or false.
What is the capital of the US state of New York? Answer with the city name only.
What is the two-character IATA code of Asiana Airlines? Answer with the two-character code only.
In what year did Arthur Eddington's solar eclipse expedition measure the bending of starlight? Answer with the four-digit year only.
What is the capital of Portugal? Answer with the English name of the city only.
Which NASA rover landed in Gale crater on Mars in 2012? Answer with the name only.
In what year did Max Planck present his quantum hypothesis for black-body radiation? Answer with the four-digit year only.
What is the two-character IATA code of Korean Air? Answer with the two-character code only.
How many sovereign countries in Africa are UN member states? Answer with the whole number only.
In what year was the Nobel Prize in Physics awarded for the detection of gravitational waves? Answer with the four-digit year only.
Airport code ORD belongs to the main international airport of which US city? Answer with the city name only.
In what year did JetBlue operate its first flight? Answer with the four-digit year only.
In what year did Valentina Tereshkova fly in space? Answer with the four-digit year only.
In what year did Apollo 11 land on the Moon? Answer with the four-digit year only.
What is the two-character IATA code of Aer Lingus? Answer with the two-character code only.
In what year did Chang'e 4 make the first soft landing on the far side of the Moon? Answer with the four-digit year only.