Question

The International Astronomical Union (IAU) defines a constellation by its:(1 point)
Responses

boundary
boundary

star pattern
star pattern

Greek name
Greek name

brightest star

Answers

GPT-4o mini
The International Astronomical Union (IAU) defines a constellation by its **boundary**. Constellations are established areas of the celestial sphere with defined borders, and all stars within these boundaries belong to that constellation.