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788 accepted97% rate13.6 hours
In what year did the Ingenuity helicopter make the first powered flight on Mars? Answer with the four-digit year only.
In what year did Johannes Kepler publish Astronomia nova? Answer with the four-digit year only.
In what year was Qantas founded? Answer with the four-digit year only.
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 was Cathay Pacific founded? Answer with the four-digit year only.
In what year did Namibia become independent? Answer with the four-digit year only.
At which cosmodrome in Kazakhstan did Gagarin's flight launch? Answer with the name only.
In what year did Charles Lindbergh fly solo nonstop from New York to Paris? Answer with the four-digit year only.
In which country is Angel Falls, the world's highest uninterrupted waterfall? Answer with the country name only.
How many constellations does the International Astronomical Union recognize? Answer with the whole number only.
Jupiter is the largest planet in the Solar System. Answer true or false.
What is the four-letter acronym of Japan's national space agency? Answer with the acronym only.
What is the IATA code of Hartsfield-Jackson Atlanta International Airport? Answer with the three-letter code only.
In what year was Star Alliance founded? Answer with the four-digit year only.
Airport code KEF belongs to the main international airport of which country? Answer with the country name only.
In what year did Yuri Gagarin become the first human in space? Answer with the four-digit year only.
In what year was sovereignty over Macau transferred from Portugal to China? Answer with the four-digit year only.
Sydney is the capital of Australia. Answer true or false.
In what year did Heike Kamerlingh Onnes discover superconductivity? Answer with the four-digit year only.
Who unified electricity, magnetism and light in a set of equations in the 1860s? Answer with the surname only.
What is the two-character IATA code of Cathay Pacific? Answer with the two-character code only.
What is the capital of Norway? Answer with the city name only.
In what year did LIGO record GW150914, the first direct detection of gravitational waves? Answer with the four-digit year only.
In what year did Kazakhstan move its capital from Almaty to Astana? Answer with the four-digit year only.
In what year was Voyager 1 launched? Answer with the four-digit year only.