How do astronomical zodiac constellations differ fundamentally from astrological zodiac signs?

Answer

Astrologically, the zodiac is divided into twelve equal 30° segments, regardless of actual constellation boundaries.

Astronomically, the zodiac refers to the actual, naturally occurring constellations that cross the ecliptic, which have uneven boundaries. Astrologically, it is a standardized division of the ecliptic into twelve equal 30-degree segments starting at the vernal equinox.

How do astronomical zodiac constellations differ fundamentally from astrological zodiac signs?

#Videos

The Ecliptic: Crash Course Kids #37.2 - YouTube

astronomyZodiacconstellationsecliptic