Which one of the following statements is not correct?

Which one of the following statements is not correct?

[amp_mcq option1=”Position of the Sun, Earth and Moon in a straight line of 180° angle is known as syzygy.” option2=”Syzygy conjunction causes solar eclipse.” option3=”Syzygy opposition causes lunar eclipse.” option4=”Syzygy conjunction occurs at the time of perihelion only.” correct=”option4″]

This question was previously asked in

UPSC CDS-2 – 2016

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Statement D is not correct.

– Syzygy is the alignment of three celestial bodies. A 180° alignment describes a syzygy.
– A syzygy conjunction (Moon between Sun and Earth) causes a solar eclipse.
– A syzygy opposition (Earth between Sun and Moon) causes a lunar eclipse.
– Syzygy conjunction (New Moon) occurs approximately once a lunar cycle (around 29.5 days). Perihelion (Earth closest to the Sun) occurs only once a year (around January 3rd). Therefore, syzygy conjunction does not occur only at the time of perihelion.

Perihelion is an orbital term describing the Earth’s position relative to the Sun in its elliptical orbit. Syzygy is a geometric term describing the alignment of three celestial bodies, typically the Sun, Earth, and Moon, which is related to the phases of the Moon and the occurrence of eclipses.

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