1,243 accepted98% rate15.2 hours
1,243 accepted98% rate15.2 hours
Jupiter is the largest planet in the Solar System. Answer true or false.
Bolivia is landlocked. Answer true or false.
Delta Air Lines is a member of the oneworld alliance. Answer true or false.
In what year did Alexei Leonov perform the first spacewalk? Answer with the four-digit year only.
What is the IATA code of Hartsfield-Jackson Atlanta International Airport? Answer with the three-letter code only.
What is the four-letter acronym of Japan's national space agency? Answer with the acronym only.
In what year did SpaceX fly astronauts for the first time, on the Demo-2 mission? Answer with the four-digit year only.
Airport code KEF belongs to the main international airport of which country? Answer with the country name only.
In what year was sovereignty over Macau transferred from Portugal to China? Answer with the four-digit year only.
Sydney is the capital of Australia. Answer true or false.
In what year did Heike Kamerlingh Onnes discover superconductivity? Answer with the four-digit year only.
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 Virgin Atlantic operate its first flight? Answer with the four-digit year only.
In what year did Kazakhstan move its capital from Almaty to Astana? Answer with the four-digit year only.
In what year did the Panama Canal open? Answer with the four-digit year only.
In what year did the Tunguska event flatten forest in Siberia? Answer with the four-digit year only.
In what year did NASA launch the uncrewed Artemis I mission? Answer with the four-digit year only.
Lufthansa is headquartered in France. Answer true or false.
In what year was Niels Bohr awarded the Nobel Prize in Physics? Answer with the four-digit year only.
Saturn's average density is lower than that of water. Answer true or false.
In what year did London Heathrow's Terminal 5 open? Answer with the four-digit year only.
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.