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In what year did J. J. Thomson announce the discovery of the electron? Answer with the four-digit year only.
What is the two-character IATA code of Southwest Airlines? Answer with the two-character code only.
Who invented the voltaic pile in 1800? Answer with the surname only.
How many countries does the Danube flow through? Answer with the whole number only.
How many stages did the Saturn V rocket have? Answer with the whole number only.
How many characters long is an IATA airport code? Answer with the whole number only.
In what year did STS-1, the first Space Shuttle mission, launch? Answer with the four-digit year only.
In what year did Paul Dirac and Erwin Schrodinger share the Nobel Prize in Physics? Answer with the four-digit year only.
Which country entirely surrounds Lesotho? Answer with the country name only.
What is the atomic number of plutonium? Answer with the whole number only.
Since 2022, Boeing's global headquarters has been in which Virginia city? Answer with the city name only.
Which planet is farthest from the Sun? Answer with the name only.
Who was the command module pilot of Apollo 11, who stayed in lunar orbit? Answer with the surname only.
What is the SI base unit of luminous intensity? Answer with the unit name only, in lowercase.
What is the capital of the US state of California? Answer with the city name only.
In what year was Sputnik 1 launched? Answer with the four-digit year only.
In what year was NASA established? Answer with the four-digit year only.
The Boeing 787 airframe is made largely of carbon-fiber composite. Answer true or false.
What is the name of NASA's program to return astronauts to the Moon, named after Apollo's twin sister? Answer with the name only.
How many states does Mexico have, not counting Mexico City? Answer with the whole number only.
What was the name of the helicopter that flew on Mars in 2021? Answer with the name only.
What was the call sign of the Apollo 11 lunar module? Answer with the name only.
What is the world's largest island that is not a continent? Answer with the name only.
In what year was the first Solvay Conference on physics held? Answer with the four-digit year only.
Which airline flew the first commercial Airbus A380 service, in 2007? Answer with the airline name only.