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The thirteenth Prabhruta describes the waxing and waning of the moon in both the Krishna and Shukla Paksha, the conjunction of Rahu with the lunar mansions during the 62 full moons and 62 new moons, the lunar orbital motion in each ayana, and other related topics.
The fourteenth Prabhruta describes the evidence of moonlight and darkness in the Krishna and Shukla Paksha.
The fifteenth Prabhruta explains the motion of the moon and other celestial deities in a single Muhurta, and then describes the orbital motion of the moon, sun, and planets in the Nakshatra month, as well as the orbital motion in the Ritu month and Aditya month.
The sixteenth Prabhruta describes the synonyms of moonlight, sunlight, and darkness.
The seventeenth Prabhruta mentions 25 different opinions regarding the setting and rising of the sun, and then establishes its own opinion.
The eighteenth Prabhruta describes the height of the sun, moon, and other celestial bodies from the earth, mentions 25 different opinions, and then presents its own opinion. It also discusses the celestial spheres of the moon and sun, the location of stars above, below, and in between these spheres, the family of planets, stars, and constellations associated with the moon, the distance between the celestial sphere and Mount Meru, the outer and inner boundaries of Jambudvipa, the stars that move up and down, the location, dimensions, and abundance of the moon, sun, and other celestial bodies, the number of deities carrying them and their directions, their forms, their fast and slow motion, their scarcity and abundance, the family of the moon and sun's chief wives, their distortions, their powers, and the superior and inferior positions of the gods and goddesses.
The nineteenth Prabhruta raises the question of whether the moon and sun illuminate the entire universe or only a part of it, mentions 12 different opinions, and then presents its own opinion. It also describes the dimensions and circumference of the salt ocean, the moon, sun, constellations, and stars. It further describes the location of the Dhataki Khand, the Kalodadhi Sea, the Pushkarardha Island, and the human realm. This Prabhruta also explains the order in the absence of Indra, the inferior and superior periods of Indra's absence, the origin and motion of the moon outside the human realm, and finally, the dimensions, circumference, and perimeter of the islands and seas up to the Swayambhramana Sea.
The twentieth Prabhruta describes the nature of the moon and other celestial bodies, Rahu, the two types of Rahu, and the inferior and superior periods. It explains why the moon is called Shashi and the sun is called Aditya, stating that the moon's chariot is adorned with the symbol of a deer (Shash) and the sun is the creator of time, the Avali, and the ascending and descending periods. It also compares the chief wives of the moon and sun to human wives and their enjoyment of pleasures, and finally, lists the names of 88 planets. These Prabhruta are further divided into smaller Prabhruta.
From the above topics, it can be easily inferred that the Surya Prajnapti not only discusses the sun and related topics but also encompasses a detailed and comprehensive discussion of the entire celestial family. Moreover, it also contains a collection of ancient beliefs related to astrology. The topics discussed here share some similarities with the topics discussed in the scriptures of other religions.
The Surya Prajnapti's extensive discussion of various topics inspired the author, Shri Bhadrabahu, to create commentaries on the ten Agamas, including the Surya Prajnapti. Unfortunately, it is now unavailable. However, the commentary by Acharya Malayagiri...