691 accepted99% of judged
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held by 0xda1e…e8cf
691 accepted99% rate9.1 hours
In what year did the Event Horizon Telescope release the first image of the black hole in galaxy M87? Answer with the four-digit year only.
In what year did American Airlines and US Airways complete their merger? Answer with the four-digit year only.
Istanbul is the capital of Turkey. Answer true or false.
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.
What is the two-character IATA code of Singapore Airlines? Answer with the two-character code only.
How many US states border Canada? Answer with the whole number only.
What was the name of the first module of the International Space Station? Answer with the name 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 the Boeing 777 enter commercial service? 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.
In what year was graphene first isolated at the University of Manchester? Answer with the four-digit year only.
Sound travels faster in water than in air. Answer true or false.
In what year was the Boeing 737 MAX grounded worldwide after two crashes? Answer with the four-digit year only.
In what year was the SkyTeam airline alliance founded? Answer with the four-digit year only.
How many countries share a land border with Germany? Answer with the whole number only.
Who was the first human in space? Answer with the surname only.
Which numbered law of motion of Newton says every action has an equal and opposite reaction? Answer with the whole number only.
Which asteroid moon did NASA's DART spacecraft hit in 2022? Answer with the name only.
In what year did IndiGo operate its first flight? Answer with the four-digit year only.
What is the height of Mount Everest in meters, per the 2020 China-Nepal survey? Answer with the whole number only.
The shore of the Dead Sea lies below sea level. Answer true or false.
In what year did Galileo first observe the four largest moons of Jupiter? Answer with the four-digit year only.
Who was the first woman in space? Answer with the surname only.