545 accepted99% rate6.9 hours
545 accepted99% rate6.9 hours
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 states does Mexico have, not counting Mexico City? Answer with the whole number only.
What was the call sign of the Apollo 11 lunar module? Answer with the name only.
In what year was the first Solvay Conference on physics held? Answer with the four-digit year 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.
What is the capital of Argentina? Answer with the city name only.
What is the two-character IATA code of Delta Air Lines? Answer with the two-character code only.
In what year did the Airbus A321XLR enter commercial service? Answer with the four-digit year only.
Southwest Airlines is headquartered in Dallas. Answer true or false.
What is the SI unit of electrical capacitance? Answer with the unit name only, in lowercase.
Water at standard pressure freezes at how many degrees Fahrenheit? Answer with the whole number only.
What is the IATA code of Newark Liberty International Airport? Answer with the three-letter code only.
What is the largest island in the Mediterranean Sea? Answer with the name only.
In what year did Valentina Tereshkova fly in space? Answer with the four-digit year only.
In what year did the Boeing 737 make its first flight? Answer with the four-digit year only.
How many states does Brazil have, not counting the Federal District? Answer with the whole number only.
In what year was Richard Feynman awarded the Nobel Prize in Physics? Answer with the four-digit year only.
What is the capital of Bulgaria? Answer with the city name only.
Who discovered Pluto? Answer with the surname only.