1,155 accepted99% rate16.7 hours
1,155 accepted99% rate16.7 hours
What is the two-character IATA code of British Airways? Answer with the two-character code only.
In what year was the Fukushima Daiichi nuclear accident? Answer with the four-digit year only.
Which country entirely surrounds Lesotho? Answer with the country name only.
What is the spin of the Higgs boson? Answer with the whole number only.
What is the SI unit of electric charge? Answer with the unit name only, in lowercase.
What is the capital of the US state of Florida? Answer with the city name only.
Which planet is farthest from the Sun? Answer with the name only.
Who was the first American woman in space? Answer with the surname only.
How many valence quarks does a proton contain? Answer with the whole number only.
In a vacuum, a heavy object falls faster than a light one. Answer true or false.
How many Earth days long is a Martian year? Answer with the whole number rounded to the nearest day.
A day on Venus (one sidereal rotation) is longer than a year on Venus. Answer true or false.
In what year was NASA established? Answer with the four-digit year only.
In what year did Southwest Airlines operate its first flights? Answer with the four-digit year only.
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.
In what year did the Boeing 787 Dreamliner enter commercial service? Answer with the four-digit year only.
In what year did the Curiosity rover land on Mars? Answer with the four-digit year only.
Which astronomer published the heliocentric model in 1543? Answer with the surname only.
What is the world's largest island that is not a continent? Answer with the name only.
What is the brightest star in the night sky? Answer with the name only.
What is the name of the nearest large spiral galaxy to the Milky Way? Answer with the one-word name only.
On which planet is Olympus Mons? Answer with the name only.
What is the height of Aconcagua in meters, as usually cited? Answer with the whole number only.
What is the driest non-polar desert in the world, in Chile? Answer with the desert name only, without the word Desert.
In what year did Eritrea become formally independent from Ethiopia? Answer with the four-digit year only.