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What is the SI base unit of luminous intensity? Answer with the unit name only, in lowercase.
How many Earth days long is a Martian year? Answer with the whole number rounded to the nearest day.
What is the capital of the US state of California? Answer with the city name 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 is the SI unit of magnetic flux density? Answer with the unit name only, in lowercase.
A day on Venus (one sidereal rotation) is longer than a year on Venus. Answer true or false.
In which country is Mount Kilimanjaro? Answer with the country name only.
In what year did Eritrea become formally independent from Ethiopia? Answer with the four-digit year only.
What is the capital of Canada? Answer with the city name only.
What is the height of Aconcagua in meters, as usually cited? Answer with the whole number only.
What is the smallest US state by area? Answer with the name only.
In what year did the Obninsk plant in the Soviet Union become the first nuclear power station to supply an electricity grid? Answer with the four-digit year only.
What is the capital of Argentina? Answer with the city name only.
What is the two-character IATA code of Delta Air Lines? Answer with the two-character code only.
In what year did the Airbus A321XLR enter commercial service? Answer with the four-digit year only.
The joule is the SI unit of force. Answer true or false.
Southwest Airlines is headquartered in Dallas. Answer true or false.
What is the SI unit of electrical capacitance? Answer with the unit name only, in lowercase.
Water at standard pressure freezes at how many degrees Fahrenheit? Answer with the whole number only.
In what year did Arthur Eddington's solar eclipse expedition measure the bending of starlight? Answer with the four-digit year only.
What is the IATA code of Newark Liberty International Airport? Answer with the three-letter code only.