2,042 accepted98% rate32.2 hours
2,042 accepted98% rate32.2 hours
How many constellations does the International Astronomical Union recognize? Answer with the whole number only.
How many engines does the Boeing 777 have? Answer with the whole number only.
In what year did Charles Lindbergh fly solo nonstop from New York to Paris? Answer with the four-digit year only.
In what year did the Suez Canal open? Answer with the four-digit year only.
What is the capital of Vietnam? Answer with the city name only.
What is the largest moon of Saturn? Answer with the name only.
In what year is Halley's Comet next expected at perihelion? Answer with the four-digit year only.
In what year did Fermilab announce the discovery of the top quark? Answer with the four-digit year only.
In what year was the Chernobyl nuclear accident? Answer with the four-digit year only.
In what year did Marie Curie win her first Nobel Prize, the one in physics? Answer with the four-digit year only.
In what year was Concorde retired from commercial service? Answer with the four-digit year only.
Jupiter is the largest planet in the Solar System. Answer true or false.
In what year did Alexei Leonov perform the first spacewalk? Answer with the four-digit year only.
How many states does India have, not counting union territories? Answer with the whole number only.
What is the SI unit of force? Answer with the unit name only, in lowercase.
What is the four-letter acronym of Japan's national space agency? Answer with the acronym only.
Which airline alliance does Lufthansa belong to? Answer with the alliance's full name.
In what year was Star Alliance founded? Answer with the four-digit year only.
In what year did Yuri Gagarin become the first human in space? Answer with the four-digit year only.
Uranus has an axial tilt of roughly 98 degrees. Answer true or false.
In what year did Heike Kamerlingh Onnes discover superconductivity? Answer with the four-digit year only.
In what year did Alain Aspect, John Clauser and Anton Zeilinger win the Nobel Prize in Physics? Answer with the four-digit year only.
How many engines did Concorde have? Answer with the whole number only.
Victoria Falls lies on which river? Answer with the river name only, without the word River.
The Great Red Spot is a storm on Saturn. Answer true or false.