Question: The International Year of Astronomy (IYA2009) was a year-long celebration of astronomy that took place in 2009 to coincide with the 400th anniversary of the first recorded astronomical observations with a telescope by Galileo Galilei and the publication of Johannes Kepler's "Astronomia nova", a book, published in 1609, that contains the results of the astronomer Johannes Kepler's ten-year-long investigation of the motion of what?
Sentence (from "Astronomia nova"): Astronomia nova (English: "New Astronomy", full title in original Latin: ) is a book, published in 1609, that contains the results of the astronomer Johannes Kepler's ten-year-long investigation of the motion of Mars.
Relevant evidence: Yes