© arXiv:1807.02960 [astro-ph.GA]Effect of a prograde, parabolic fly-by of a star with a) M=0.5 M, b) M2= 1, M and c) M2= 5 M that is inclined by 60 degree and has a angle of periastron equal zero. The perihelion distance is always chosen in such a way as to lead to a 30-35 AU disc. The top row indicates the eccentricity distribution of the matter with a central area of most particles on circular orbits and more eccentric orbits at larger distances form the Sun. The eccentricities are indicated by the different colours given in the bar. The origin of the different eccentricity populations in the original disc can be seen in bottom row, where matter indicated in grey becomes unbound from the Sun. Note that in c) the path of the perturber is not visible because it is outside the shown frame.
A team of researchers from the Max-Planck Institute and Queen's University has used new information to test
a theory that suggests a rogue star passed close enough to our solar system millions of years ago to change its configuration. The group has written a paper describing their ideas and have posted it on the
arXiv preprint server.
In recent years, space scientists have begun to suspect that something out of the ordinary happened to our solar system during its early years. Many have begun to wonder why there is not as much material in the outer solar system as logic would suggest. Also, why is Neptune so much more massive than Uranus, which is closer to the sun? And why do so many of the smaller objects in the outer solar system have such oddly shaped orbits? In addressing such questions, many space scientists have begun to wonder if a star might have wandered by during the early years of the solar system-coming just close enough to pull some of the objects in the outer parts of the solar system from their prior positions.
The idea of a rogue star has been debated for some time, but the theory has not been embraced because of the timing-if a star had wandered by, it would have been approximately 10 million years after the birth of our galaxy. But objects in the outer solar system would have still just been forming, making it unlikely that they would have been impacted by a rogue star.
In their paper, the researchers with this new effort suggest that recent research by other teams studying the formation of other solar systems has shown that the outer parts of such systems can be more developed than their inner parts. They suggest that if that were the case for our solar system, then it is possible that the outer parts had matured to the point where they could have been impacted by the gravitational pull of a passing star. To test their theory, they created a simulation of just such a scenario and found that it very closely matched what we are able to see today-a solar system with odd characteristics at its outer edges.
More information: Outer solar system possibly shaped by a stellar fly-by, arXiv:1807.02960 [astro-ph.GA]
arxiv.org/abs/1807.02960AbstractThe planets of our solar system formed from a gas-dust disk. However, there are some properties of the solar system that are peculiar in this context. First, the cumulative mass of all objects beyond Neptune (TNOs) is only a fraction of what one would expect. Second, unlike the planets themselves, the TNOs do not orbit on coplanar, circular orbits around the Sun, but move mostly on inclined, eccentric orbits and are distributed in a complex way. This implies that some process restructured the outer solar system after its formation. However, some of TNOs, referred to as Sednoids, move outside the zone of influence of the planets. Thus external forces must have played an important part in the restructuring of the outer solar system. The study presented here shows that a close fly-by of a neighbouring star can simultaneously lead to the observed lower mass density outside 30 AU and excite the TNOs onto eccentric, inclined orbits, including the family of Sednoids. In the past it was estimated that such close fly-bys are rare during the relevant development stage. However, our numerical simulations show that such a scenario is much more likely than previously anticipated. A fly-by also naturally explains the puzzling fact that Neptune has a higher mass than Uranus. Our simulations suggest that many additional Sednoids at high inclinations still await discovery, perhaps including bodies like the postulated planet X.
Reader Comments
What about the global Mythic record of Antiquity in which Saturn was our first or best 'Sun' that was challenged and brought low by Jupiter - and in the interactions of the merging of a Saturnian and Sol/Jovian system (that may have been repeated interactions over vast time cycles), the interactions of Venus, Mars and Mercury - along with all kinds of changes to our cosmological outlook AND development of modelled reality and subjective consciousness - that embodies as our current cultural epoch (the last 12000 years or so since the end of the Younger Dryas).
There are deep psycho-social reasons for blocking the terror of the past and the god-king (planet emulation) idea that came in with extreme catastrophe, trauma and need-driven development of a 'separated' sense of split off consciousness. However, the denial of the past is the only way to succumb to its imposition upon the present as its reenactment into the future. The results of separation trauma are pervasive, deep set and fuel the power-structures running to protect from such exposure along with the reenactment of the past as if re-running the same script can ever work or win.
The structure of our consciousness is not hard wired any more than the way we think the human condition is set or fixed. It is however, predicated upon a sense of self-protection under terror that 'makes' a self in the image of its maker.
Separation in space is the distancing between 'private mind personae' and separation in time is of the same but more as the distance from Cause - then between like effects.
The 'stability' of the ego structure depends on the 'prison planet' or indeed the matter creating life of blind procreation and persistence. One is a picture of guilt, rejection and abandonment (subjection) while the other redefines itself to eradicate or erase the psychic-emotional pain of separation from Source-being and thus robotises itself to its own unconsciousness. Nothing about an upside down orientation is truly 'stable' - but it can be held in its own framing to be reliable regardless of any lack of validity.
The charge-relations of the Galactic down through to the microcosmic are the dynamic of change within a relational balance. Our discord is of mutually polarized oppositional denials, each of the other - which is a mis-taken or incomplete perspective because it is without true centring balance, and so is lost in the action/reaction effect of being out of timing and out of place - which is always loss of peace to some compulsive urge or need to seek either completion or discharge of conflict.
The zero point of our being is our balance point. The charge-field perspective from its true centring embrace is within us - at the same time as between us in what is loosely called a holographic Universe. The identification in the split off and fragmented persona seeks and finds self-reinforcement for the attempt to force 'completion' (dominate) or force eject opposition (denial).
I sketch the bridging between the cosmic modelling consciousness and the tragicomic of the human drama to the true science of uncovering the already true and the true religion of loving truth.
The role of 'rogue' is given to the causal attribution in respect of a loss of order - where that 'order' is an imposition upon a 'chaos'. These archetypes go back to our Planet Gods era - and are no more relevant to our creative potential than is any past that is no longer present EXCEPTING our denials make its so. For the denial establishes the 'reality-belief' by the very need to effect such defences and maintain them against all and any evidences that would expose a lack of substance. And that is also the right of anyone to prefer as their own accepted reality definition. There can be no reality experience without a definition. This is the nature of a 'Creating Universe' in which what is created is of a likeness and image of its creator. Not necessarily in form, but in purpose. The purpose of differentiation and division to the forming of segregative and seemingly separate consciousnesses is seen in 'face recognition', object persistence and sets of 'rules' without which the world cannot be 'learned' or 'lived in'. We are not merely organismic effects of indeterminate change over time lapse instants, but a nonphysical field of resonant synchronicity that is an extension of the awareness of existence through an infinite definitional matrix. Infinite because it is perfectly shared - with no exclusions and nothing 'other' or outside to All That Is, knowing itself All That Is.
The 'War in Heaven' is part of the setting of the conditioning for the life-experience that results. But the true Heaven is not in forms of nostalgia for a Saturnalian golden age, nor in the overcoming of the 'evils' associated with blame or projected guilt that would revolt against the 'evils' to make a world new in its own image.
Be the still point of the gyre and know.
Then align in thought, word and act to what is accepted in the heart-whole knowing field that you never stopped being - though it only came through as insights and inspirations filtered by the rules of the physical sense.
The increase in the sun's mass required to move the Earth's orbit from 360 to 365ยผ days is roughly equivalent to 25% of Sun's present mass. This indicates an exoplanet in size consistent with recent exoplanet research.
The EU model (Dave Talbott) is defective on numerous levels, beginning with the fact that any planet in coaxial/co-rotational alignment with a dark star (Saturn) will have no evidence of seasons in the geological record, contrary to what Earth evidence demonstrates for 100K's of years. Second, Saturn is the lightest and least dense body in the solar system, including the Sun, while Venus is the most dense, followed by Mercury, the Sun, and then Earth. A parent body does not produce a body more dense than itself by 228K times. Ergo, the inner planets were never a product of Saturn flaring. There are many more discrepancies, all pointing to the falsification of The Saturnian sun scenario.
We've come a long way, Baby! (Not!)
R.C.
On quite another note: once there do a Ctrl-F for XYZ to land near the bottom of a 4-part post, the last three parts of which are quite short. Never told that story before, you might find it interesting.
I put the sentence's '.' too close to the end and it resolved into the URL