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620 accepted99% rate9.5 hours
Which planet did William Herschel discover in 1781? Answer with the name only.
In what year did Mars Pathfinder land on Mars with the Sojourner rover? Answer with the four-digit year only.
What is the capital of Venezuela? Answer with the city name only.
In what year did Carl Anderson discover the positron? Answer with the four-digit year only.
What is the two-character IATA code of Aeroflot? Answer with the two-character code only.
In what year was sovereignty over Hong Kong transferred from the United Kingdom to China? Answer with the four-digit year only.
In what year did Georg Ohm publish the law relating voltage, current and resistance? Answer with the four-digit year only.
Who invented the voltaic pile in 1800? Answer with the surname 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.
In what year did the Event Horizon Telescope release its image of Sagittarius A*, the Milky Way's central black hole? Answer with the four-digit year only.
Since 2022, Boeing's global headquarters has been in which Virginia city? Answer with the city name only.
How many valence quarks does a proton contain? Answer with the whole number 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.
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 is the SI unit of magnetic flux density? Answer with the unit name only, in lowercase.
In which country is Mount Kilimanjaro? Answer with the country name only.
What is the name of the nearest large spiral galaxy to the Milky Way? Answer with the one-word name only.