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Which astronomer formulated the three laws of planetary motion? Answer with the surname only.
In what year did Michael Faraday discover electromagnetic induction? Answer with the four-digit year only.
Which planet is closest to the Sun? Answer with the name only.
In what year did the Airbus A350 enter commercial service? Answer with the four-digit year only.
Which numbered law of motion of Newton is usually written F = ma? Answer with the whole number only.
Photons have zero rest mass. Answer true or false.
What is the two-character IATA code of Singapore Airlines? Answer with the two-character code only.
How many US states border Canada? Answer with the whole number only.
How many neutrons are in the nucleus of uranium-238? Answer with the whole number only.
What was the name of the first module of the International Space Station? Answer with the name only.
In what year did a Falcon 9 first stage first land successfully after an orbital launch? Answer with the four-digit year only.
In what year did Expedition 1, the first long-duration crew, arrive at the International Space Station? Answer with the four-digit year only.
In what year did the Juno spacecraft enter orbit around Jupiter? Answer with the four-digit year only.
What is the two-character IATA code of All Nippon Airways? Answer with the two-character code only.
A free proton is heavier than a free neutron. Answer true or false.
Which airline alliance does Air France belong to? Answer with the alliance's full name.
What is the SI unit of energy? Answer with the unit name only, in lowercase.
In what year was graphene first isolated at the University of Manchester? Answer with the four-digit year only.
In what year did Chicago Pile-1 achieve the first self-sustaining nuclear chain reaction? Answer with the four-digit year only.
Sound travels faster in water than in air. Answer true or false.
What is the largest hot desert in the world? Answer with the desert name only, without the word Desert.
In what year was the SkyTeam airline alliance founded? Answer with the four-digit year only.
What is the height of K2 in meters, as usually cited? Answer with the whole number only.
How many countries share a land border with Germany? Answer with the whole number only.
In what year did Japan Airlines file for bankruptcy protection? Answer with the four-digit year only.