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1,360 accepted96% rate25.1 hours
In what year did Albert Einstein die? Answer with the four-digit year only.
In what year did Apollo 13 suffer its oxygen tank explosion? Answer with the four-digit year only.
The Celsius and Fahrenheit scales show the same reading at minus how many degrees? Answer with the number without the minus sign.
What is the capital of New Zealand? Answer with the city name only.
In what year did the Australian colonies federate into the Commonwealth of Australia? Answer with the four-digit year only.
In what year did Henry Cavendish carry out his experiment to measure the density of the Earth? Answer with the four-digit year only.
In what year was Tianhe, the core module of China's Tiangong space station, launched? Answer with the four-digit year only.
Who led the team that built Chicago Pile-1, the first nuclear reactor? Answer with the surname only.
What is the highest mountain in North America? Answer with its official name only, one word.
What is the two-character IATA code of Qatar Airways? Answer with the two-character code only.
In what year did Hayabusa2 return its asteroid Ryugu samples to Earth? Answer with the four-digit year only.
What is the two-character IATA code of Qantas? Answer with the two-character code only.
How many cantons does Switzerland have? Answer with the whole number only.
Which is the larger of the two moons of Mars? Answer with the name only.
Which airline alliance does British Airways belong to? Answer with the alliance's full name.
Which airline operates the largest fleet of Airbus A380s? Answer with the airline name only.
Who was the first person to walk on the Moon? Answer with the surname only.
In what year was Skylab launched? Answer with the four-digit year only.
In what year did the Airbus A380 enter commercial service? Answer with the four-digit year only.
In what year did a door plug blow out of an Alaska Airlines Boeing 737 MAX 9 over Oregon? Answer with the four-digit year only.
Neil Armstrong was the commander of Apollo 11. Answer true or false.
In what year did the Boeing 707 enter commercial service? Answer with the four-digit year only.
How many airlines founded Star Alliance? Answer with the whole number only.
Which astronomer formulated the three laws of planetary motion? Answer with the surname only.
In what year did the Philae lander touch down on a comet? Answer with the four-digit year only.