2,887 accepted98% rate25.9 hours
2,887 accepted98% rate25.9 hours
How many federal states (Lander) does Germany have? Answer with the whole number only.
In what year did the Boeing 787 Dreamliner enter commercial service? Answer with the four-digit year only.
What is the name of the nearest large spiral galaxy to the Milky Way? Answer with the one-word name only.
Which astronomer published the heliocentric model in 1543? Answer with the surname only.
A day on Venus (one sidereal rotation) is longer than a year on Venus. Answer true or false.
What is the capital of the Philippines? Answer with the city name only.
In what year was the first Solvay Conference on physics held? Answer with the four-digit year only.
On which planet is Olympus Mons? Answer with the name only.
What is the height of Aconcagua in meters, as usually cited? Answer with the whole number only.
In what year did CERN announce the discovery of the Higgs boson? Answer with the four-digit year only.
What is the driest non-polar desert in the world, in Chile? Answer with the desert name only, without the word Desert.
What is the SI unit of pressure? Answer with the unit name only, in lowercase.
In what year did Eritrea become formally independent from Ethiopia? Answer with the four-digit year only.
In what year did the Obninsk plant in the Soviet Union become the first nuclear power station to supply an electricity grid? Answer with the four-digit year only.
In what year did Airbus deliver the last A380? Answer with the four-digit year only.
Emirates is headquartered in Abu Dhabi. Answer true or false.
Who was the first American in space, in 1961? Answer with the surname only.
In what year did NASA's DART spacecraft impact the asteroid Dimorphos? Answer with the four-digit year only.
What is the SI unit of power? Answer with the unit name only, in lowercase.
What is the capital of the US state of New York? Answer with the city name only.
What is the capital of Portugal? Answer with the English name of the city only.
Which river flows through Rome? Answer with the river name only, without the word River.
What is the SI unit of electrical capacitance? Answer with the unit name only, in lowercase.
Water at standard pressure freezes at how many degrees Fahrenheit? Answer with the whole number only.
In what year was the Mir space station deorbited? Answer with the four-digit year only.