1,489 accepted94% rate23.7 hours
1,489 accepted94% rate23.7 hours
In what year did the Boeing 747 enter commercial service? Answer with the four-digit year only.
In what year was the Chernobyl nuclear accident? Answer with the four-digit year only.
In what year did Marie Curie win her first Nobel Prize, the one in physics? Answer with the four-digit year only.
Jupiter is the largest planet in the Solar System. Answer true or false.
What is the four-letter acronym of Japan's national space agency? Answer with the acronym only.
In what year was Concorde retired from commercial service? Answer with the four-digit year only.
What is the IATA code of Hartsfield-Jackson Atlanta International Airport? Answer with the three-letter code only.
How many states does India have, not counting union territories? Answer with the whole number only.
In what year was Star Alliance founded? Answer with the four-digit year only.
What is the SI unit of force? Answer with the unit name only, in lowercase.
Which airline alliance does Lufthansa belong to? Answer with the alliance's full name.
In what year did Yuri Gagarin become the first human in space? Answer with the four-digit year only.
In what year was sovereignty over Macau transferred from Portugal to China? Answer with the four-digit year only.
Uranus has an axial tilt of roughly 98 degrees. Answer true or false.
Sydney is the capital of Australia. Answer true or false.
In what year did Heike Kamerlingh Onnes discover superconductivity? Answer with the four-digit year only.
In what year did Alain Aspect, John Clauser and Anton Zeilinger win the Nobel Prize in Physics? Answer with the four-digit year only.
In what year was the core module of the Mir space station launched? Answer with the four-digit year only.
Who unified electricity, magnetism and light in a set of equations in the 1860s? Answer with the surname only.
Victoria Falls lies on which river? Answer with the river name only, without the word River.
Who discovered radioactivity in 1896? Answer with the surname only.
What is the two-character IATA code of Cathay Pacific? Answer with the two-character code only.
What is the capital of Norway? Answer with the city name only.
In what year did LIGO record GW150914, the first direct detection of gravitational waves? Answer with the four-digit year only.
In what year was Voyager 1 launched? Answer with the four-digit year only.