1,047 accepted95% rate20.4 hours
1,047 accepted95% rate20.4 hours
In what year was the core module of the Mir space station launched? Answer with the four-digit year only.
Who unified electricity, magnetism and light in a set of equations in the 1860s? Answer with the surname only.
What is the two-character IATA code of Cathay Pacific? Answer with the two-character code only.
In what year did LIGO record GW150914, the first direct detection of gravitational waves? Answer with the four-digit year only.
In what year was Voyager 1 launched? Answer with the four-digit year only.
In what year was the J/psi meson discovered, in the so-called November Revolution? Answer with the four-digit year only.
Lufthansa is headquartered in France. Answer true or false.
Saturn's average density is lower than that of water. Answer true or false.
What is the longest river in Asia? Answer with the English river name only, without the word River.
What is the name of Russia's state space corporation? Answer with the name only.
In what year did Edwin Hubble publish the relation between galaxy distance and recession velocity? Answer with the four-digit year only.
Which founder of Blue Origin also founded Amazon? Answer with the surname only.
In what year did the Tunguska event flatten forest in Siberia? Answer with the four-digit year only.
What is the SI base unit of amount of substance? Answer with the unit name only, in lowercase.
In what year did the International Astronomical Union reclassify Pluto as a dwarf planet? Answer with the four-digit year only.
What is the largest country in Africa by area? Answer with the country name only.
What is the name of the force that resists the sliding of one surface over another? Answer with the one-word name only, in lowercase.
In what year was the Three Mile Island nuclear accident? Answer with the four-digit year only.
What is the largest moon in the Solar System? Answer with the name only.
What is the highest mountain in South America? Answer with the name only.
In what year did Henri Becquerel discover radioactivity? Answer with the four-digit year only.
The Airbus A380 has two full-length passenger decks. Answer true or false.
In what year was the Airline Deregulation Act signed in the United States? Answer with the four-digit year only.
In which country is the city of Timbuktu? Answer with the country name only.
In what year did Isaac Newton die? Answer with the four-digit year only.