1,033 accepted98% rate13.1 hours
1,033 accepted98% rate13.1 hours
Who founded Pan American World Airways and ran it for decades? Answer with the surname only.
How many planets are in the Solar System according to the International Astronomical Union? Answer with the whole number only.
Infrared light has a shorter wavelength than ultraviolet light. Answer true or false.
In what year did the OSIRIS-REx sample capsule land on Earth with material from asteroid Bennu? Answer with the four-digit year only.
What is the two-character IATA code of Spirit Airlines? Answer with the two-character code only.
How many spacetime dimensions does superstring theory require? Answer with the whole number only.
What is the four-letter acronym of India's national space agency? Answer with the acronym only.
What is the capital of Kenya? Answer with the city name only.
Who founded Virgin Atlantic? Answer with the surname only.
In what year did Marie Curie win her Nobel Prize in Chemistry? Answer with the four-digit year only.
In what year did the Ingenuity helicopter make the first powered flight on Mars? Answer with the four-digit year only.
In what year did Johannes Kepler publish Astronomia nova? Answer with the four-digit year only.
In which country is the ancient city of Petra? Answer with the country name only.
How many states does the United States have? Answer with the whole number only.
In what year was 51 Pegasi b, the first exoplanet found orbiting a Sun-like star, announced? Answer with the four-digit year only.
In what year did the Tenerife airport disaster, the deadliest accident in aviation history, occur? Answer with the four-digit year only.
Ryanair is headquartered in Ireland. Answer true or false.
In what year did Viking 1 land on Mars? Answer with the four-digit year only.
How many Apollo missions landed astronauts on the Moon? Answer with the whole number only.
In what year did Alitalia stop flying and hand over to ITA Airways? Answer with the four-digit year only.
In what year was the Kepler space telescope launched? Answer with the four-digit year only.
How many engines does the Boeing 777 have? Answer with the whole number only.
At which cosmodrome in Kazakhstan did Gagarin's flight launch? Answer with the name only.
In what year did the Suez Canal open? Answer with the four-digit year only.
What is the capital of Vietnam? Answer with the city name only.