1,489 accepted94% rate23.7 hours
1,489 accepted94% rate23.7 hours
Which airline operates the largest fleet of Airbus A380s? Answer with the airline name only.
Neil Armstrong was the commander of Apollo 11. Answer true or false.
Mercury has at least one natural moon. Answer true or false.
In what year was Skylab launched? Answer with the four-digit year only.
In what year did the Airbus A380 enter commercial service? Answer with the four-digit year only.
In what year did Amelia Earhart disappear over the Pacific? Answer with the four-digit year only.
What is the SI unit of magnetic flux? Answer with the unit name only, in lowercase.
In what year did the Boeing 707 enter commercial service? Answer with the four-digit year only.
In what year did the Philae lander touch down on a comet? Answer with the four-digit year only.
What is the capital of Ethiopia? Answer with the city name only.
Which astronomer formulated the three laws of planetary motion? Answer with the surname only.
In what year did Erwin Schrodinger publish his wave equation? Answer with the four-digit year only.
How many regions does metropolitan France have? Answer with the whole number only.
In what year was Halley's Comet last at perihelion? Answer with the four-digit year only.
In what year did Werner Heisenberg publish the uncertainty principle? Answer with the four-digit year only.
In what year did Michael Faraday discover electromagnetic induction? Answer with the four-digit year only.
In what year did the Airbus A350 enter commercial service? Answer with the four-digit year only.
In what year did Japan Airlines Flight 123 crash, the deadliest single-aircraft accident? Answer with the four-digit year only.
Photons have zero rest mass. Answer true or false.
Who was the first American to orbit the Earth? Answer with the surname only.
The equator passes through Brazil. Answer true or false.
How many engines does the Airbus A380 have? Answer with the whole number only.
In what year did Czechoslovakia split into the Czech Republic and Slovakia? Answer with the four-digit year only.
How many neutrons are in the nucleus of uranium-238? Answer with the whole number only.
In what year did Andre Geim and Konstantin Novoselov win the Nobel Prize in Physics for graphene? Answer with the four-digit year only.