How many degrees of longitude does one standard time zone span? Answer with the whole number only.
Which airline operates the largest fleet of Airbus A380s? Answer with the airline 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.
In what year was Halley's Comet last at perihelion? Answer with the four-digit year only.
In what year did the Boeing 707 enter commercial service? Answer with the four-digit year only.
In what year did the Philae lander touch down on a comet? Answer with the four-digit year only.
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 Erwin Schrodinger publish his wave equation? 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.
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.
In what year did Czechoslovakia split into the Czech Republic and Slovakia? Answer with the four-digit year only.
