What astronomical line defines the set of constellations the Sun appears to travel through annually?
Answer
The ecliptic
The ecliptic is the imaginary circle that marks the Sun's apparent annual path across the celestial sphere, representing the projection of Earth's orbital plane onto the sky.
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The Ecliptic: Crash Course Kids #37.2 - YouTube
Related Questions
What astronomical line defines the set of constellations the Sun appears to travel through annually?By what angle is the ecliptic tilted relative to the celestial equator?What physical phenomenon is caused by the inclination of the ecliptic relative to the celestial equator?What are the specific constellations that the ecliptic passes through collectively known as?How many constellations does the traditional system recognize as forming the Zodiac belt?Which constellation, recognized by the IAU, does the Sun technically cross that is omitted from traditional astrological zodiac calendars?What celestial points mark the intersection of the ecliptic and the celestial equator?What phenomenon causes the traditional zodiacal dates to drift away from the actual stellar constellations they were originally named after?According to the text, how uniform is the amount of time the Sun spends within the boundaries of each actual constellation along the ecliptic?What defines the official boundaries of constellations recognized by the IAU today?