Rogue Planets Out There, and One Was Ours?

October 14, 2011 at 9:48 PM (astronomy topics, curious research, current news, extraterrestrial studies, late night studies, science and technology, web gossip)

This one particular theory surrounding the creation of our solar system is interesting.  It poses some theories that may seem far out, yet logic could allow them to be plausible.  Particularly, I am not surprised about suggestions of Jupiter’s culpability in the matter!

Yes; a big ol’ bully!  We will return to that issue.  Some theories are emerging, which suggest that our solar system once was the home to an extra planet.  Actually, the ideas about the structure of the early solar system say that many additional worlds were here, in addition to the eight (nine…) that we claim today.  One particular theory proposes the idea of a fifth gas giant having been located within The Sun’s gravitational realm.

The generally accepted ideas surrounding the formation of the early solar system state that the planets were packed within a seemingly constricted bond.  As the forces of gravity eventually dominated, each of the planets moved toward their currently recognized locations.  However, some current research suggests that there were more bodies within the solar system than could be sustained by the gravitational powers of The Sun and the major planets. 

One particular theory is suggesting that our planets formed in areas that all were closer to The Sun.   The inner planets were able to remain, more or less, within stable positions that were practically near to our star.  Yet, the gas giants, being composed of lighter elements, were able to escape the inner regions of the solar system, floating out toward their current locations.  This theory is saying that more gas giants were present, at first, and that the forces of gravity eventually won, with any lesser planets being dismissed from the bunch.

This idea is stating that our solar system’s gas giant worlds, Jupiter, Saturn, Uranus, and Neptune, likely formed in locations that were much closer to our Sun.  Scientists are saying that all of the matter needed to form planets, especially those of immense sizes, would not have existed at locations distant from the central solar system.  This matter would have been necessary to create the large worlds, and it would have been located nearer to the central formation region of the solar system.  Thus, all of the matter needed to create Jupiter, Saturn, Uranus, and Neptune, should have been nearer to The Sun, as should have been these worlds.

A proposed theory states that, as the planets were settling into their current locations, an alleged fifth gas giant existed within the solar system.  Yet, it could not reach a stable orbital position, and it was accosted by the gravitational forces of the other gas giants.  It seems that Jupiter in particular was the lead bully, exerting it’s excessive force within the general solar system, and forcing all that could not hang to be ejected!

So went gas giant five!  Jupiter, Saturn, Uranus, and Neptune were able to shift into their current positions, gravitationally bound to The Sun and the solar system’s other worlds.  This alleged fifth giant was pushed out, something akin to a rubber ball stuck between a series of bricks.  The gravity being exerted by all of the other planets was too much for this fifth gas giant to handle, and it was forced out!

If this is/was the case, then it is possible that this rejected world could still be out there.  Perhaps it is floating alone in space, a wondering world, a rogue planet, as some have suggested.  This idea is possible for several planets that may be amok throughout the galaxy, not gravitationally linked to any other planets, or to any host stars.  It was this past May when Japanese astronomers announced that they had located a lone-wolf world that was floating in space, not linked to a star, or to any other planets!

Some of these suppositions suggest that several lone wanderers, homeless planets, are rampant throughout our galaxy.  However, it is unlikely that any of them are terrestrial planets, similar to Earth.  They likely are gas giants, light, and capable of floating without being immediately bound to a stronger gravitiational force.  Amazingly, they even could have moons orbiting them!  These moons could be able to sustain heat from the forces of gravity given off by their host worlds, which could allow these moons possibly to develop the conditions necessary for supporting life!


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