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held by 0xa9a5…8899
1,165 accepted97% rate10.3 hours
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 was the Hubble Space Telescope launched? 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.
What is the capital of Morocco? Answer with the city name only.
Marie Curie won Nobel Prizes in both physics and chemistry. Answer true or false.
Which particle carries the electromagnetic force? Answer with the particle name only, in lowercase.
Which is the larger of the two moons of Mars? Answer with the name only.
Australia is both a country and a continent. Answer true or false.
In what year did Pierre Agostini, Ferenc Krausz and Anne L'Huillier win the Nobel Prize in Physics for attosecond light pulses? Answer with the four-digit year 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.
What is the name of China's space station? Answer with the one-word name only.
How many airlines founded Star Alliance? Answer with the whole number only.
In what year was Halley's Comet last at perihelion? 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 American Airlines and US Airways complete their merger? Answer with the four-digit year only.
Istanbul is the capital of Turkey. Answer true or false.
In what year did the Cassini spacecraft end its mission by plunging into Saturn? Answer with the four-digit year only.
Which planet is closest to the Sun? Answer with the name only.
In what year did Japan Airlines Flight 123 crash, the deadliest single-aircraft accident? 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.
How many US states border Canada? Answer with the whole number only.
In what year did Monarch Airlines collapse? Answer with the four-digit year only.