In what year did the Chelyabinsk meteor explode over Russia? 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.
What is the flag carrier airline of the Netherlands? Answer with the airline name only.
In what year did Theodore Maiman demonstrate the first working laser? Answer with the four-digit year only.
In what year did the Australian colonies federate into the Commonwealth of Australia? Answer with the four-digit year only.
In what year was the Hubble Space Telescope 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 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.
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.
The Moon has a thick atmosphere. Answer true or false.
In what year did the Philae lander touch down on a comet? Answer with the four-digit year only.
Which astronomer formulated the three laws of planetary motion? Answer with the surname only.
