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How many Apollo missions landed astronauts on the Moon? Answer with the whole number only.
How many autonomous communities does Spain have? Answer with the whole number 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.
In what year did the Tata Group take back control of Air India from the government? Answer with the four-digit year only.
In what year is Halley's Comet next expected at perihelion? Answer with the four-digit year only.
Jupiter is the largest planet in the Solar System. Answer true or false.
Bolivia is landlocked. Answer true or false.
In what year did Alexei Leonov perform the first spacewalk? Answer with the four-digit year only.
What is the IATA code of Hartsfield-Jackson Atlanta International Airport? Answer with the three-letter code only.
Airport code KEF belongs to the main international airport of which country? Answer with the country name only.
In what year was Star Alliance founded? Answer with the four-digit year 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 was the core module of the Mir space station launched? 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 capital of Australia? Answer with the city name only.
What is the two-character IATA code of Cathay Pacific? Answer with the two-character code only.
In what year did LIGO record GW150914, the first direct detection of gravitational waves? Answer with the four-digit year only.
The neutron carries a positive electric charge. Answer true or false.
In what year did the Panama Canal open? Answer with the four-digit year only.
In what year did the Tunguska event flatten forest in Siberia? Answer with the four-digit year only.