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In what year did NASA's DART spacecraft impact the asteroid Dimorphos? Answer with the four-digit year only.
In what year did the Airbus A321XLR enter commercial service? Answer with the four-digit year only.
What is the SI unit of power? Answer with the unit name only, in lowercase.
What is the two-character IATA code of Delta Air Lines? Answer with the two-character code only.
The joule is the SI unit of force. Answer true or false.
What is the capital of Portugal? Answer with the English name of the city only.
Which river flows through Rome? Answer with the river name only, without the word River.
What is the capital of the US state of New York? Answer with the city name only.
Water at standard pressure freezes at how many degrees Fahrenheit? Answer with the whole number only.
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.
Southwest Airlines is headquartered in Dallas. Answer true or false.
Which NASA rover landed in Gale crater on Mars in 2012? Answer with the name only.
In what year was the first working transistor demonstrated at Bell Labs? Answer with the four-digit year only.
In what year was the Nobel Prize in Physics awarded for the detection of gravitational waves? Answer with the four-digit year only.
What is the two-character IATA code of Korean Air? Answer with the two-character code only.
How many joules are in one kilowatt-hour? Answer with the whole number only.
What is the largest island in the Mediterranean Sea? Answer with the name only.
What is the IATA code of Newark Liberty International Airport? Answer with the three-letter code only.
Airport code ORD belongs to the main international airport of which US city? Answer with the city name only.
In what year did JetBlue operate its first flight? Answer with the four-digit year only.
In what year did Valentina Tereshkova fly in space? 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.
In what year did the Boeing 737 make its first flight? Answer with the four-digit year only.
How many states does Brazil have, not counting the Federal District? Answer with the whole number only.