path articles

What path does the Sun trace across the celestial sphere over the course of one year?

What path does the Sun trace across the celestial sphere over the course of one year?

Why is the celestial path called the "ecliptic"?

Why is the celestial path called the "ecliptic"?

What astronomical phenomenon is the direct result of the obliquity of the ecliptic?

What astronomical phenomenon is the direct result of the obliquity of the ecliptic?

What is the approximate current measurement of the obliquity of the ecliptic?

What is the approximate current measurement of the obliquity of the ecliptic?

What celestial points are defined by the intersection of the ecliptic and the celestial equator?

What celestial points are defined by the intersection of the ecliptic and the celestial equator?

Which component of ecliptic coordinates measures an object's position perpendicular to the ecliptic plane?

Which component of ecliptic coordinates measures an object's position perpendicular to the ecliptic plane?

What accounts for the variation in the Sun's apparent speed along the ecliptic throughout the year?

What accounts for the variation in the Sun's apparent speed along the ecliptic throughout the year?

What term describes the slow, 26,000-year wobble in Earth's axis that causes constellations to shift relative to the ecliptic's fixed points?

What term describes the slow, 26,000-year wobble in Earth's axis that causes constellations to shift relative to the ecliptic's fixed points?

Why is the ecliptic coordinate system especially convenient for mapping the major planets?

Why is the ecliptic coordinate system especially convenient for mapping the major planets?

What constellation lies along the ecliptic path that is generally excluded from the traditional twelve-sign astrological Zodiac?

What constellation lies along the ecliptic path that is generally excluded from the traditional twelve-sign astrological Zodiac?

What is the ecliptic plane projected onto the celestial sphere called?

What is the ecliptic plane projected onto the celestial sphere called?

What is the specific track the Sun follows relative to the background stars called?

What is the specific track the Sun follows relative to the background stars called?

What physical phenomenon causes the Sun's apparent movement across the sky throughout the year?

What physical phenomenon causes the Sun's apparent movement across the sky throughout the year?

Approximately how long does it take the Sun to complete the 360-degree circuit along the ecliptic?

Approximately how long does it take the Sun to complete the 360-degree circuit along the ecliptic?

What defines the astrological 'signs' as opposed to the physical constellations?

What defines the astrological 'signs' as opposed to the physical constellations?

What celestial marker signals the Sun's entry into the sign of Aries?

What celestial marker signals the Sun's entry into the sign of Aries?

What is the slow wobble in the Earth’s rotational axis called that causes a divergence between tropical signs and constellations?

What is the slow wobble in the Earth’s rotational axis called that causes a divergence between tropical signs and constellations?

What is the approximate duration of the cycle over which the vernal equinox point shifts backward through the constellations due to precession?

What is the approximate duration of the cycle over which the vernal equinox point shifts backward through the constellations due to precession?

Which system of measurement is the tropical zodiac based upon?

Which system of measurement is the tropical zodiac based upon?

When the Sun enters the sign of Capricorn according to the tropical system, what astronomical event is occurring?

When the Sun enters the sign of Capricorn according to the tropical system, what astronomical event is occurring?

How far offset is the constellation the Sun is currently transiting compared to its conventional tropical Sun sign, due to precession?

How far offset is the constellation the Sun is currently transiting compared to its conventional tropical Sun sign, due to precession?

What is the average daily movement of the Sun across the sky in degrees?

What is the average daily movement of the Sun across the sky in degrees?

What term describes the motion of an object tracing a curved path around a larger body due to gravity?

What term describes the motion of an object tracing a curved path around a larger body due to gravity?

What shape does the Earth follow as its path of revolution around the Sun?

What shape does the Earth follow as its path of revolution around the Sun?

What is the specific term for the point in Earth's revolution when it is farthest from the Sun?

What is the specific term for the point in Earth's revolution when it is farthest from the Sun?

What causes the Earth to have an equatorial bulge, making it an oblate spheroid?

What causes the Earth to have an equatorial bulge, making it an oblate spheroid?

How long does it take for the Earth to complete one full revolution around the Sun, relative to distant stars?

How long does it take for the Earth to complete one full revolution around the Sun, relative to distant stars?

Which measure of a day is shorter because it measures rotation $360$ degrees relative to the distant, fixed celestial reference frame?

Which measure of a day is shorter because it measures rotation $360$ degrees relative to the distant, fixed celestial reference frame?

What long-term, slow wobble of the Earth's axis takes approximately $26,000$ years to complete a cycle?

What long-term, slow wobble of the Earth's axis takes approximately $26,000$ years to complete a cycle?

The apparent shift in the positions of nearby stars over months, used to verify Earth's orbit, is known as what?

The apparent shift in the positions of nearby stars over months, used to verify Earth's orbit, is known as what?

The Coriolis effect causes objects moving long distances in the Southern Hemisphere to veer in which direction?

The Coriolis effect causes objects moving long distances in the Southern Hemisphere to veer in which direction?

What causes the true solar day to lengthen slightly when Earth is near perihelion?

What causes the true solar day to lengthen slightly when Earth is near perihelion?