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720 accepted99% rate10.8 hours
What was the name of the first module of the International Space Station? Answer with the name only.
In what year did Czechoslovakia split into the Czech Republic and Slovakia? Answer with the four-digit year only.
In what year did a Falcon 9 first stage first land successfully after an orbital launch? Answer with the four-digit year only.
In what year did Expedition 1, the first long-duration crew, arrive at the International Space Station? Answer with the four-digit year 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.
In what year did the Juno spacecraft enter orbit around Jupiter? Answer with the four-digit year only.
What is the two-character IATA code of All Nippon Airways? Answer with the two-character code only.
Which airline alliance does Air France belong to? Answer with the alliance's full name.
A free proton is heavier than a free neutron. Answer true or false.
In what year was James Chadwick awarded the Nobel Prize in Physics? Answer with the four-digit year only.
What is the most populous country in Africa? Answer with the country name only.
How many seconds are in one day of exactly 24 hours? Answer with the whole number only.
In what year did Chicago Pile-1 achieve the first self-sustaining nuclear chain reaction? Answer with the four-digit year only.
What is the largest hot desert in the world? Answer with the desert name only, without the word Desert.
What is the capital of Kazakhstan? Answer with the city name only.
What is the height of K2 in meters, as usually cited? Answer with the whole number only.
What is the capital of Peru? Answer with the city name only.
In what year did the Apollo 1 cabin fire occur? Answer with the four-digit year only.
What is the largest US state by area? Answer with the name only.
In what year did Japan Airlines file for bankruptcy protection? Answer with the four-digit year only.
Which color of visible light has the longest wavelength? Answer with the color name only, in lowercase.
In what year did William Herschel discover Uranus? Answer with the four-digit year only.
What is the two-character IATA code of Turkish Airlines? Answer with the two-character code only.
In what year did Roger Penrose, Reinhard Genzel and Andrea Ghez share the Nobel Prize in Physics? Answer with the four-digit year only.
Which planet did William Herschel discover in 1781? Answer with the name only.