SB5.23.3: When bulls are yoked together and tied to a central post to thresh rice, they tread around that pivot without deviating from their proper positions—one bull being closest to the post, another in the middle, and a third on the outside. Similarly, all the planets and all the hundreds and thousands of stars revolve around the polestar, the planet of Maharaja Dhruva, in their respective orbits, some higher and some lower. Fastened by the Supreme Personality of Godhead to the machine of material nature according to the results of their fruitive acts, they are driven around the polestar by the wind and will continue to be so until the end of creation.
These planets float in the air within the vast sky, just as clouds with hundreds of tons of water float in the air or as the great syena eagles, due to the results of past activities, fly high in the sky and have no chance of falling to the ground.
PURPORT
According to the description of this verse, the hundreds and thousands of stars and the great planets such as the sun, the moon, Venus, Mercury, Mars and Jupiter are not clustered together because of the law of gravity or any similar idea of the modern scientists. These planets and stars are all servants of the Supreme Personality of Godhead, Govinda or Krishna, and according to His order they sit in their chariots and travel in their respective orbits. The orbits in which they move are compared to machines given by material nature to the operating deities of the stars and planets, who carry out the orders of the Supreme Personality of Godhead by revolving around Dhruvaloka, which is occupied by the great devotee Maharaja Dhruva. This is confirmed in the Brahma-samhita (5.52) as follows:
yac-caksur esa savita sakala-grahanam
raja samasta-sura-murtir asesa-tejah
yasyajnaya bhramati sambhrta-kala-cakro
govindam adi-purusam tam aham bhajami
“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.” This verse from Brahma-samhita confirms that even the largest and most powerful planet, the sun, rotates within a fixed orbit, or kala-cakra, in obedience to the order of the Supreme Personality of Godhead. This has nothing to do with gravity or any other imaginary laws created by the material scientists.
Material scientists want to avoid the ruling government of the Supreme Personality of Godhead, and therefore they imagine different conditions under which they suppose the planets move. The only condition, however, is the order of the Supreme Personality of Godhead. Full Text
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Unsettled Youth: Spitzer Observes A Chaotic Planetary System
ScienceDaily (Nov. 9, 2009) — Before our planets found their way to the stable orbits they circle in today, they wiggled and jostled about like unsettled children. Now, NASA’s Spitzer Space Telescope has found a young star with evidence for the same kind of orbital hyperactivity. Young planets circling the star are thought to be disturbing smaller comet-like bodies, causing them to collide and kick up a huge halo of dust.
The star, called HR 8799, was in the news last November 2008, for being one of the first of two stars with imaged planets. Ground-based telescopes at the W.M. Keck Observatory and the Gemini Observatory, both in Hawaii, took images of three planets orbiting in the far reaches of the system, all three being roughly 10 times the mass of Jupiter. Another imaged planet was also announced at the same time around the star Fomalhaut, as seen by NASA’s Hubble Space Telescope. Both HR 8799 and Fomalhaut are younger and more massive than our sun.
Astronomers had previously used both Spitzer and Hubble to image a rotating disk of planetary debris around Fomalhaut, which is 25 light-years from Earth. HR 8799 is about five times farther away, so scientists weren’t sure if Spitzer would be able to capture a picture of its disk. To their amazement and delight, Spitzer succeeded.
The Spitzer team, led by Kate Su of the University of Arizona, Tucson, says the giant cloud of fine dust around the disk is very unusual. They say this dust must be coming from collisions among small bodies similar to the comets or icy bodies that make up today’s Kuiper Belt objects in our solar system. The gravity of the three large planets is throwing the smaller bodies off course, causing them to migrate around and collide with each other. Astronomers think the three planets might have yet to reach their final stable orbits, so more violence could be in store.
“The system is very chaotic and collisions are spraying up a huge cloud of fine dust,” said Su. “What’s exciting is that we have a direct link between a planetary disk and imaged planets. We’ve been studying disks for a long time, but this star and Fomalhaut are the only two examples of systems where we can study the relationships between the locations of planets and the disks.”
When our solar system was young, it went through similar planet migrations. Jupiter and Saturn moved around quite a bit, throwing comets around, sometimes into Earth. Some say the most extreme part of this phase, called the late heavy bombardment, explains how our planet got water. Wet, snowball-like comets are thought to have crashed into Earth, delivering life’s favorite liquid.
The Spitzer results were published in the Nov. 1 issue of Astrophysical Journal. The observations were made before Spitzer began its “warm” mission and used up its liquid coolant.
Adapted from materials provided by NASA/Jet Propulsion Laboratory.
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