In what year was Zarya, the first module of the International Space Station, launched? Answer with the four-digit year only.
How many flavors of lepton are there in the Standard Model? Answer with the whole number 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.
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.
What is the two-character IATA code of China Eastern Airlines? Answer with the two-character code only.
What is the two-character IATA code of Qantas? Answer with the two-character code only.