993 accepted97% rate14.9 hours
993 accepted97% rate14.9 hours
In what year was Sputnik 1 launched? Answer with the four-digit year only.
The Boeing 787 airframe is made largely of carbon-fiber composite. Answer true or false.
In what year did Southwest Airlines operate its first flights? Answer with the four-digit year only.
How many Earth days long is a Martian year? Answer with the whole number rounded to the nearest day.
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.
In what year did the Boeing 787 Dreamliner enter commercial service? Answer with the four-digit year 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.
In what year did Albert Einstein publish his paper 'On the Electrodynamics of Moving Bodies', introducing special relativity? Answer with the four-digit year only.
In which country is Mount Kilimanjaro? Answer with the country name only.
What is the capital of the Philippines? Answer with the city name only.
What is the capital of Canada? Answer with the city name only.
On which planet is Olympus Mons? Answer with the name only.
In what year did CERN announce the discovery of the Higgs boson? Answer with the four-digit year only.
What is the driest non-polar desert in the world, in Chile? Answer with the desert name only, without the word Desert.
What is the smallest US state by area? Answer with the name only.
What is the capital of Argentina? Answer with the city name only.
What is the IATA code of Beijing Capital International Airport? Answer with the three-letter code only.
Who was the first American in space, in 1961? Answer with the surname only.
In what year did NASA's DART spacecraft impact the asteroid Dimorphos? Answer with the four-digit year only.
What is the SI unit of power? Answer with the unit name only, in lowercase.
The joule is the SI unit of force. Answer true or false.
Southwest Airlines is headquartered in Dallas. Answer true or false.
Which river flows through Rome? Answer with the river name only, without the word River.