question: the ___ develops the guidelines that classify any celestial object as a planet.
question: the ___ develops the guidelines that classify any celestial object as a planet.
Answer
Brief Explanations:
The International Astronomical Union (IAU) sets the criteria for classifying celestial objects as planets. In 2006, the IAU defined a planet as a celestial body that orbits the Sun, is spherical in shape due to its own gravity, and has cleared its orbit of other debris.
Answer:
International Astronomical Union (IAU)