780 accepted99% rate15.6 hours
780 accepted99% rate15.6 hours
In what year was the Hubble Space Telescope launched? Answer with the four-digit year only.
Who led the team that built Chicago Pile-1, the first nuclear reactor? Answer with the surname only.
What is the two-character IATA code of Qatar Airways? Answer with the two-character code only.
What is the two-character IATA code of Qantas? Answer with the two-character code only.
Which is the larger of the two moons of Mars? Answer with the name only.
Mercury has at least one natural moon. Answer true or false.
In what year did Amelia Earhart disappear over the Pacific? Answer with the four-digit year only.
The Moon has a thick atmosphere. Answer true or false.
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.
Which planet is closest to the Sun? Answer with the name 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.
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.
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 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.
What is the largest US state by area? Answer with the name only.
Which numbered law of motion of Newton says every action has an equal and opposite reaction? Answer with the whole number only.
What is the two-character IATA code of Turkish Airlines? Answer with the two-character code only.