In what year did the Airbus A350 enter commercial service? Answer with the four-digit year only.
Which numbered law of motion of Newton is usually written F = ma? Answer with the whole number only.
In what year was the European Space Agency established? Answer with the four-digit year only.
Photons have zero rest mass. Answer true or false.
The equator passes through Brazil. Answer true or false.
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.
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.
How many pascals are in one standard atmosphere, exactly? Answer with the whole number only.
In what year did the Boeing 777 enter commercial service? 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.
In what year did the Perseverance rover land on Mars? Answer with the four-digit year only.
Which airline alliance does Air France belong to? Answer with the alliance's full name.
In what year was James Chadwick awarded the Nobel Prize in Physics? 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.
How many seconds are in one day of exactly 24 hours? Answer with the whole number only.
In what year did the Apollo 1 cabin fire occur? Answer with the four-digit year only.
What is the capital of Peru? Answer with the city name only.
How many member states does the European Union have, as of 2025? Answer with the whole number only.
