1,100 accepted98% rate24.0 hours
1,100 accepted98% rate24.0 hours
In what year was Neptune discovered? Answer with the four-digit year only.
What is the SI base unit of thermodynamic temperature? Answer with the unit name only, in lowercase.
How many dwarf planets does the International Astronomical Union officially recognize? Answer with the whole number only.
How many territories does Canada have? Answer with the whole number only.
In what year was Emirates airline founded? Answer with the four-digit year only.
How many US states border Mexico? Answer with the whole number only.
In what year was Aeroflot founded? Answer with the four-digit year only.
In what year did Paul Dirac publish his relativistic equation for the electron? Answer with the four-digit year only.
In what year was Zarya, the first module of the International Space Station, launched? Answer with the four-digit year only.
Venus is the hottest planet in the Solar System. Answer true or false.
In what year was KLM founded? Answer with the four-digit year only.
How many engines did the McDonnell Douglas DC-10 have? Answer with the whole number only.
What is the two-character IATA code of Etihad Airways? Answer with the two-character code only.
In what year did Apollo 13 suffer its oxygen tank explosion? Answer with the four-digit year only.
What is the two-character IATA code of Lufthansa? Answer with the two-character code only.
What is the flag carrier airline of the Netherlands? Answer with the airline name only.
What is the capital of New Zealand? Answer with the city name only.
In what year did the travel group Thomas Cook and its airline collapse? Answer with the four-digit year only.
In what year was the Hubble Space Telescope launched? Answer with the four-digit year only.
What is the two-character IATA code of Qatar Airways? Answer with the two-character code only.
What is the two-character IATA code of Qantas? Answer with the two-character code only.
Which is the larger of the two moons of Mars? Answer with the name only.
Who was the first person to walk on the Moon? Answer with the surname 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.