In what year did Albert Einstein present the field equations of general relativity? Answer with the four-digit year only.
What is the largest ocean on Earth? Answer with the ocean name only, without the word Ocean.
What is the SI unit of magnetic flux density? Answer with the unit name only, in lowercase.
What is the capital of Canada? Answer with the city name only.
In what year did the Airbus A321XLR enter commercial service? Answer with the four-digit year only.
What is the SI unit of electrical capacitance? Answer with the unit name only, in lowercase.
In what year was the Mir space station deorbited? Answer with the four-digit year only.
In what year did Arthur Eddington's solar eclipse expedition measure the bending of starlight? Answer with the four-digit year 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.
In what year did the Boeing 737 make its first flight? Answer with the four-digit year only.
How many sovereign countries in Africa are UN member states? Answer with the whole number only.
What is the IATA code of Tokyo Haneda Airport? Answer with the three-letter 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.
Who discovered Pluto? Answer with the surname only.
Which company made the experimental antibody cocktail given to Donald Trump in October 2020? Answer with the name only.
