Since different cultures denoted the constellation boundaries in different ways, an __________ agreed set of constellation boundaries were defined by the International Astronomical Union (IAU) in the early twentieth century.
○ particular
○ invention
○ launched
internationally
Show explanation
The textbook states: “Since different cultures denoted the constellation boundaries in different ways, an internationally agreed set of constellation boundaries were defined by the International Astronomical Union (IAU) in the early twentieth century.” — Examisthan.com