Hinduism,Cosmos ,Sanatan Dharma.Ancient Hinduism science.
Srimad Bhagavatam Canto 5 Chapter 21 text 1 to text 19 : The Movements of the Sun by His Divine Grace A.C Bhaktivedanta Swami Prabhupada
This chapter informs us of the movements of the sun. The sun is not stationary; it is also moving like the other planets. The sun’s movements determine the duration of night and day.
When the sun travels north of the equator, it moves slowly during the day and very quickly at night, thus increasing the duration of the daytime and decreasing the duration of night. Similarly, when the sun travels south of the equator, the exact opposite is true — the duration of the day decreases, and the duration of night increases.
When the sun enters Karkaṭa-rāśi (Cancer) and then travels to Siṁha-rāśi (Leo) and so on through Dhanuḥ-rāśi (Sagittarius), its course is called Dakṣiṇāyana, the southern way, and when the sun enters Makara-rāśi (Capricorn) and thereafter travels through Kumbharāśi (Aquarius) and so on through Mithuna-rāśi (Gemini), its course is called Uttarāyaṇa, the northern way. When the sun is in Meṣa-rāśi (Aries) and Tulā-rāśi (Libra), the duration of day and night are equal.
On Mānasottara Mountain are the abodes of four demigods. East of Sumeru Mountain is Devadhānī, where King Indra lives, and south of Sumeru is Saṁyamanī, the abode of Yamarāja, the superintendent of death.
Similarly, west of Sumeru is Nimlocanī, the abode of Varuṇa, the demigod who controls the water, and north of Sumeru is Vibhāvarī, where the demigod of the moon lives.
Sunrise, noon, sunset and midnight occur in all these places because of the movements of the sun. Diametrically opposite the place where the sunrise takes places and the sun is seen by human eyes, the sun will be setting and passing away from human vision.
Similarly, the people residing diametrically opposite the point where it is midday will be experiencing midnight. The sun rises and sets with all the other planets, headed by the moon and other luminaries.
The entire kāla-cakra, or wheel of time, is established on the wheel of the sun-god’s chariot. This wheel is known as Saṁvatsara. The seven horses pulling the chariot of the sun are known as Gāyatrī, Bṛhatī, Uṣṇik, Jagatī, Triṣṭup, Anuṣṭup and Paṅkti. They are harnessed by a demigod known as Aruṇadeva to a yoke 900,000 yojanas wide. Thus the chariot carries Ādityadeva, the sun-god.
Always staying in front of the sun-god and offering their prayers are sixty thousand sages known as Vālikhilyas. There are fourteen Gandharvas, Apsarās and other demigods, who are divided into seven parties and who perform ritualistic activities every month to worship the Supersoul through the sun-god according to different names.
Thus the sun-god travels through the universe for a distance of 95,100,000 yojanas (760,800,000 miles) at a speed of 16,004 miles at every moment.
Śukadeva Gosvāmī said: My dear King, I have thus far described the diameter of the universe [fifty crores of yojanas, or four billion miles] and its general characteristics, according to the estimations of learned scholars.
As a grain of wheat is divided into two parts and one can estimate the size of the upper part by knowing that of the lower, so, expert geographers instruct, one can understand the measurements of the upper part of the universe by knowing those of the lower part. The sky between the earthly sphere and heavenly sphere is called antarikṣa, or outer space. It adjoins the top of the sphere of earth and the bottom of that of heaven.
In the midst of that region of outer space [antarikṣa] is the most opulent sun, the king of all the planets that emanate heat, such as the moon. By the influence of its radiation, the sun heats the universe and maintains its proper order. It also gives light to help all living entities see.
While passing toward the north, toward the south or through the equator, in accordance with the order of the Supreme Personality of Godhead, it is said to move slowly, swiftly or moderately. According to its movements in rising above, going beneath or passing through the equator — and correspondingly coming in touch with various signs of the zodiac, headed by Makara [Capricorn] — days and nights are short, long or equal to one another.
Lord Brahmā prays in his Brahma-saṁhitā (5.52):
yac cakṣur eṣa savitā sakala-grahāṇāṁ
rājā samasta-sura-mūrtir aśeṣa-tejāḥ
yasyājñayā bhramati saṁbhṛta-kāla-cakro
govindam ādi-puruṣaṁ tam ahaṁ bhajāmi
“I worship Govinda, the primeval Lord, the Supreme Personality of Godhead under whose control even the sun, which is considered to be the eye of the Lord, rotates within the fixed orbit of eternal time. The sun is the king of all planetary systems and has unlimited potency in heat and light.” Although the sun is described as bhagavān, the most powerful, and although it is actually the most powerful planet within the universe, it nevertheless has to carry out the order of Govinda, Kṛṣṇa.
The sun-god cannot deviate even an inch from the orbit designated to him. Therefore in every sphere of life, the supreme order of the Supreme Personality of Godhead is carried out. The entire material nature carries out His orders.
However, we foolishly see the activities of material nature without understanding the supreme order and Supreme Person behind them. As confirmed in Bhagavad-gītā, mayādhyakṣeṇa prakṛtiḥ: material nature carries out the orders of the Lord, and thus everything is maintained in an orderly way.
When the sun passes through Meṣa [Aries] and Tulā [Libra], the durations of day and night are equal. When it passes through the five signs headed by Vṛṣabha [Taurus], the duration of the days increases [until Cancer], and then it gradually decreases by half an hour each month, until day and night again become equal [in Libra].
When the sun passes through the five signs beginning with Vṛścika [Scorpio], the duration of the days decreases [until Capricorn], and then gradually it increases month after month, until day and night become equal [in Aries].
Until the sun travels to the south the days grow longer, and until it travels to the north the nights grow longer.
Śukadeva Gosvāmī continued; My dear King, as stated before, the learned say that the sun travels over all sides of Mānasottara Mountain in a circle whose length is 95,100,000 yojanas [760,800,000 miles]. On Mānasottara Mountain, due east of Mount Sumeru, is a place known as Devadhānī, possessed by King Indra.
Similarly, in the south is a place known as Saṁyamanī, possessed by Yamarāja, in the west is a place known as Nimlocanī, possessed by Varuṇa, and in the north is a place named Vibhāvarī, possessed by the moon-god. Sunrise, midday, sunset and midnight occur in all those places according to specific times, thus engaging all living entities in their various occupational duties and also making them cease such duties.
The living entities residing on Sumeru Mountain are always very warm, as at midday, because for them the sun is always overhead. Although the sun moves counterclockwise, facing the constellations, with Sumeru Mountain on its left, it also moves clockwise and appears to have the mountain on its right because it is influenced by the dakṣiṇāvarta wind.
People living in countries at points diametrically opposite to where the sun is first seen rising will see the sun setting, and if a straight line were drawn from a point where the sun is at midday, the people in countries at the opposite end of the line would be experiencing midnight. Similarly, if people residing where the sun is setting were to go to countries diametrically opposite, they would not see the sun in the same condition.
When the sun travels from Devadhānī, the residence of Indra, to Saṁyamanī, the residence of Yamarāja, it travels 23,775,000 yojanas [190,200,000 miles] in fifteen ghaṭikās [six hours].
The distance indicated by the word sādhikāni is pañca-viṁśati-sahasrādhikāni, or 25,000 yojanas. That plus two and a half crores and twelve and a half lakṣa of yojanas is the distance the sun travels between each two cities. This comes to 23,775,000 yojanas, or 190,200,000 miles. The total orbit of the sun is four times that distance, or 95,100,000 yojanas (760,800,000 miles).
From the residence of Yamarāja the sun travels to Nimlocanī, the residence of Varuṇa, from there to Vibhāvarī, the residence of the moon-god, and from there again to the residence of Indra. In a similar way, the moon, along with the other stars and planets, becomes visible in the celestial sphere and then sets and again becomes invisible.
In Bhagavad-gītā (10.21) Kṛṣṇa says, nakṣatrāṇām ahaṁ śaśī: “Of stars I am the moon.” This indicates that the moon is similar to the other stars. The Vedic literature informs us that within this universe there is one sun, which is moving. The Western theory that all the luminaries in the sky are different suns is not confirmed in the Vedic literature.
Nor can we assume that these luminaries are the suns of other universes, for each universe is covered by various layers of material elements, and therefore although the universes are clustered together, we cannot see from one universe to another. In other words, whatever we see is within this one universe. In each universe there is one Lord Brahmā, and there are other demigods on other planets, but there is only one sun.
Thus the chariot of the sun-god, which is trayīmaya, or worshiped by the words om bhūr bhuvaḥ svaḥ, travels through the four residences mentioned above at a speed of 3,400,800 yojanas [27,206,400 miles] in a muhūrta.
The chariot of the sun-god has only one wheel, which is known as Saṁvatsara. The twelve months are calculated to be its twelve spokes, the six seasons are the sections of its rim, and the three cātur-māsya periods are its three-sectioned hub. One side of the axle carrying the wheel rests upon the summit of Mount Sumeru, and the other rests upon Mānasottara Mountain. Affixed to the outer end of the axle, the wheel continuously rotates on Mānasottara Mountain like the wheel of an oil-pressing machine.
As in an oil-pressing machine, this first axle is attached to a second axle, which is one-fourth as long [3,937,500 yojanas, or 31,500,000 miles]. The upper end of this second axle is attached to Dhruvaloka by a rope of wind.
My dear King, the carriage of the sun-god’s chariot is estimated to be 3,600,000 yojanas [28,800,000 miles] long and one-fourth as wide [900,000 yojanas, or 7,200,000 miles]. The chariot’s horses, which are named after Gāyatrī and other Vedic meters, are harnessed by Aruṇadeva to a yoke that is also 900,000 yojanas wide. This chariot continuously carries the sun-god.
In the Viṣṇu Purāṇa it is stated:
gāyatrī ca bṛhaty uṣṇig
jagatī triṣṭup eva ca
anuṣṭup paṅktir ity uktāś
chandāṁsi harayo raveḥ
The seven horses yoked to the sun-god’s chariot are named Gāyatrī, Bṛhati, Uṣṇik, Jagatī, Triṣṭup, Anuṣṭup and Paṅkti. These names of various Vedic meters designate the seven horses that carry the sun-god’s chariot.
Although Aruṇadeva sits in front of the sun-god and is engaged in driving the chariot and controlling the horses, he looks backward toward the sun-god.
In the Vāyu Purāṇa the position of the horses is described:
vahante vāmato ravim
cakre vākṣaḥ samāhitaḥ
Although Aruṇadeva is in the front seat, controlling the horses, he looks back toward the sun-god from his left side.
There are sixty thousand saintly persons named Vālikhilyas, each the size of a thumb, who are located in front of the sun-god and who offer him eloquent prayers of glorification.
Similarly, fourteen other saints, Gandharvas, Apsarās, Nāgas, Yakṣas, Rākṣasas and demigods, who are divided into groups of two, assume different names every month and continuously perform different ritualistic ceremonies to worship the Supreme Lord as the most powerful demigod Sūryadeva, who holds many names.
In the Viṣṇu Purāṇa it is said:
stuvanti munayaḥ sūryaṁ
gandharvair gīyate puraḥ
nṛtyanto ’psaraso yānti
vahanti pannagā yakṣaiḥ
so ’yaṁ sapta-gaṇaḥ sūrya-
hetutve samayaṁ gataḥ
Worshiping the most powerful demigod Sūrya, the Gandharvas sing in front of him, the Apsarās dance before the chariot, the Niśācaras follow the chariot, the Pannagas decorate the chariot, the Yakṣas guard the chariot, and the saints called the Vālikhilyas surround the sun-god and offer prayers. The seven groups of fourteen associates arrange the proper times for regular snow, heat and rain throughout the universe.
My dear King, in his orbit through Bhū-maṇḍala, the sun-god traverses a distance of 95,100,000 yojanas [760,800,000 miles] at the speed of 2,000 yojanas and two krośas [16,004 miles] in a moment.
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