Topic Details (Notes format)

Who discovered the laws of planetary motion?

Which element has the chemical symbol "Hf"?

Who discovered gravitational waves?

Which language has the most native speakers in the world?

Which civilization built the Parthenon on the Acropolis in Athens?

In which Russian city is the Hermitage Museum located?

In what year did the Titanic sink?

Which empire built the Taj Mahal?

Who discovered dwarf planet Haumea?

Who discovered dark matter?