This is the 3049th most frequent Swedish word.
kepler
"Kepler" is not a Swedish word; it is a surname, commonly associated with the astronomer Johannes Kepler or the author duo Lars Kepler.
Here, 'Kepler' is used as a surname, referring to an author.
Har du läst boken av Lars Kepler?
Have you read the book by Lars Kepler?
In this sentence, 'Kepler' refers to Johannes Kepler, the famous astronomer.
Kepler var en betydande vetenskapsman.
Kepler was a significant scientist.
Here, 'Kepler' is used as a surname for a family.