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The Moon has a thick atmosphere. Answer true or false.
In what year did American Airlines and US Airways complete their merger? Answer with the four-digit year only.
Which astronomer formulated the three laws of planetary motion? Answer with the surname only.
In what year did the Cassini spacecraft end its mission by plunging into Saturn? Answer with the four-digit year only.
In what year did Werner Heisenberg publish the uncertainty principle? Answer with the four-digit year only.
Which numbered law of motion of Newton is usually written F = ma? Answer with the whole number only.
In what year was the Dominion of Canada formed by Confederation? Answer with the four-digit year only.
In what year was the European Space Agency established? Answer with the four-digit year only.
How many US states border Canada? Answer with the whole number only.
How many neutrons are in the nucleus of uranium-238? Answer with the whole number only.
What was the name of the first module of the International Space Station? Answer with the name only.
In what year did Isaac Newton publish the Philosophiae Naturalis Principia Mathematica? Answer with the four-digit year only.
In what year did easyJet operate its first flight? Answer with the four-digit year only.
In what year did the Juno spacecraft enter orbit around Jupiter? Answer with the four-digit year only.
In what year did the Space Shuttle program fly its final mission? Answer with the four-digit year only.
A free proton is heavier than a free neutron. Answer true or false.
Which strait separates Asia from North America? Answer with the strait name only, without the word Strait.
In what year did Monarch Airlines collapse? Answer with the four-digit year only.
Concorde cruised faster than the speed of sound. Answer true or false.
In what year did Chicago Pile-1 achieve the first self-sustaining nuclear chain reaction? Answer with the four-digit year only.
What is the height of K2 in meters, as usually cited? Answer with the whole number only.
What is the largest hot desert in the world? Answer with the desert name only, without the word Desert.
What is the IATA code of Tokyo Narita International Airport? Answer with the three-letter code only.
What is the capital of Peru? Answer with the city name only.
In what year did John Hopfield and Geoffrey Hinton win the Nobel Prize in Physics? Answer with the four-digit year only.