1,373 accepted98% rate13.7 hours
1,373 accepted98% rate13.7 hours
How many dwarf planets does the International Astronomical Union officially recognize? Answer with the whole number only.
In what year did Isaac Newton publish Opticks? Answer with the four-digit year only.
How many territories does Canada have? Answer with the whole number only.
In which country is Machu Picchu? Answer with the country name only.
In what year was Emirates airline founded? Answer with the four-digit year only.
Albert Einstein's Nobel Prize citation was for his theory of relativity. Answer true or false.
In what year was Aeroflot founded? Answer with the four-digit year only.
Greenland is part of the Kingdom of Denmark. Answer true or false.
In what year was Zarya, the first module of the International Space Station, launched? Answer with the four-digit year only.
In what year did the Chelyabinsk meteor explode over Russia? Answer with the four-digit year only.
Venus is the hottest planet in the Solar System. Answer true or false.
What is the capital of Pakistan? Answer with the city name only.
In what year was KLM founded? Answer with the four-digit year only.
In what year was CERN 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.
Which dwarf planet is the largest object in the asteroid belt? Answer with the 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 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 the Hubble Space Telescope launched? Answer with the four-digit year only.
In what year was Skylab launched? Answer with the four-digit year only.
What is the two-character IATA code of China Eastern Airlines? Answer with the two-character code only.