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.
Which airport handled the most passengers in the world in 2024? Answer with the city name only.
At which cosmodrome in Kazakhstan did Gagarin's flight launch? Answer with the name 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.
What is the capital of Iran? Answer with the city name only.
In what year did the de Havilland Comet begin the world's first scheduled jet airliner service? Answer with the four-digit year only.
In what year did Alitalia stop flying and hand over to ITA Airways? Answer with the four-digit year only.
How many constellations does the International Astronomical Union recognize? Answer with the whole number only.
In which country is Angel Falls, the world's highest uninterrupted waterfall? Answer with the country name only.
What is the largest moon of Saturn? Answer with the name only.
What is the capital of Vietnam? Answer with the city name only.
In what year did Fermilab announce the discovery of the top quark? Answer with the four-digit year only.
In what year is Halley's Comet next expected at perihelion? Answer with the four-digit year only.
In what year did the Boeing 747 enter commercial service? Answer with the four-digit year only.
