753 accepted98% rate17.3 hours
753 accepted98% rate17.3 hours
How many countries does the Danube flow through? Answer with the whole number only.
How many characters long is an IATA airport code? Answer with the whole number only.
What is the two-character IATA code of British Airways? Answer with the two-character code only.
In what year did Paul Dirac and Erwin Schrodinger share the Nobel Prize in Physics? Answer with the four-digit year only.
What is the atomic number of plutonium? Answer with the whole number only.
Since 2022, Boeing's global headquarters has been in which Virginia city? Answer with the city name only.
Who was the command module pilot of Apollo 11, who stayed in lunar orbit? Answer with the surname only.
What is the SI base unit of luminous intensity? Answer with the unit name only, in lowercase.
How many Earth days long is a Martian year? Answer with the whole number rounded to the nearest day.
In what year was NASA established? Answer with the four-digit year only.
In what year was Sputnik 1 launched? Answer with the four-digit year only.
The Boeing 787 airframe is made largely of carbon-fiber composite. Answer true or false.
What is the name of NASA's program to return astronauts to the Moon, named after Apollo's twin sister? Answer with the name only.
How many federal states (Lander) does Germany have? Answer with the whole number only.
What was the call sign of the Apollo 11 lunar module? Answer with the name only.
What is the capital of the US state of California? Answer with the city name only.
In what year was the first Solvay Conference on physics held? Answer with the four-digit year only.
What is the name of the nearest large spiral galaxy to the Milky Way? Answer with the one-word name only.
Which airline flew the first commercial Airbus A380 service, in 2007? Answer with the airline name only.
What is the SI unit of pressure? Answer with the unit name only, in lowercase.
In what year did the Obninsk plant in the Soviet Union become the first nuclear power station to supply an electricity grid? Answer with the four-digit year only.
Emirates is headquartered in Abu Dhabi. Answer true or false.
What is the two-character IATA code of Delta Air Lines? Answer with the two-character code only.
What is the SI unit of power? Answer with the unit name only, in lowercase.
Southwest Airlines is headquartered in Dallas. Answer true or false.