Kosmische Staubwolke im Sonnensystem

Geschrieben von mica am 28. August 2003 20:24:44:

Hallo Forum,

anbei ein Beitrag über die Thesen Paul LaViolettes.

LaViolette vermutete schon Anfang der 80er kosmische Staubwolken und Körper, jenseits der Heliosphäre.
Wenige Jahre später wurde durch Infrarotaufnahmen und Teleskope der Kuiper-Gürtel bestätigt.

1979 verfasste LaViolette die Theorie, dass eine kosmische Superwelle(cosmic ray volley /superwave) gegen Ende der Eiszeit in die Heliossphäre eingedrungen sein könnte.
Um dies zu verifizieren untersuchte er Eisbohrkerne der Pole nach kosmischem Staub - und wurde fündig!

Weiters wurde seine Theorie durch die schon hier besprochene Ulysses-Ergebnisse aus dem Jahr 93 untermauert - kosmische Staubwolken kommen aus dem Zentrum der Galaxie.

Jetzt kommt schön langsam der Punkt auf den ich hinaus will:

Anhand von Mondproben wurde festgestellt, dass die Sonne vor 16.000 Jahren eine Aktivität zeigte die 50 mal über der derzeitigen lag. Erde und Mond könnten damals von einer gigantischen Plasmawelle getroffen worden sein.

Die Folge: Schmelzen der Eiskappen, Fluten, Massensterben und rasch ansteigende Temperaturen.(LaViolette)
1997 wurde die Theorie durch Beobachtung von Sonneneruptionen bestätigt - Plasma kann weit hinausgeschleudert werden. Bei anderen Sonnen wurden solche "Superflares", bis zu 10 mio mal stärker als gewöhnliche Eruptionen, schon beobachtet. Dies bestätigte LaViolettes These über das Ende der letzten Eiszeit.
Sollte also die Sonne nocheinmal zu solcher "Unregelmäßigkeit" neigen, sehen wir heißen Zeiten entgegen!

Die derzeit ins Sonnensystem ziehende kosmische Staubwolke, in ihrem Gefolge jede Menge größere Teile, werden demnach von der galaktischen Auswärtsbewegung und anderen Ereignissen(superwaves) induziert.

Die unten angeführten Links diskutieren als Ursache einen Mikroquasar der kosmischen "Müll" und andere Körper aus der Oortschen Wolke oder dem Kuipergürtel in unser Sonnensystem treibt - weniger einen braunen Zwerg wie PX. Was sagt man dazu?

Entschuldigt die miserable Übersetzung, es war mir aber wichtig dieses umfassende Thema wenigstens anzudiskutieren! Neben den Kindern gehts halt nur ansatzweise :-(
Im Text steckt natürlich viel mehr drin!

Ausaduer beim Lesen wünscht
mica

Aus einem andere Forum:

SS
8/28/2003
10:54 am EDT

Re: RE: Sun´s Poles Now Lying Sideways @ Sun´s Equator

From Article:

"However, during solar maximum - A phase of intense activity inside the Sun that marks the end of each 11-year solar cycle - The magnetic field becomes disordered as its polarity reverses. As - result, the Sun´s shielding power weakens and more stardust can sneak in. What is surprising in this new Ulysses discovery is that the amount of stardust has continued to increase even after the solar activity calmed down and the magnetic field resumed its ordered shape in 2001. Scientists believe that this is due to the way in which the polarity changed during solar maximum. Instead of reversing completely, flipping north to south, the Sun´s magnetic poles have only rotated at halfway and are now more or less lying sideways along the Sun´s equator. This weaker configuration of the magnetic shield is letting in two to three times more stardust than at the end of the 1990s. Moreover, this influx could increase by as much as ten times until the end of the current solar cycle in 2012."
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It appears that this configuration of the magnetic field is not normal. This configuration is already "letting in two to three times more stardust than at the end of the 1990s. Moreover, this influx could increase by as much as ten times until the end of the current solar cycle in 2012."

This actually could be a very serious situation, the reason being that the dust eventually chokes the sun causing the sun to enter into a T-Tauri state of continual flaring. The sun brightens in luminoscity, turning from yellow to white.

We are already experiencing symptoms of the sun slipping into this T-Tauri state of the sun. The sun is now brighter luminoscity having turned from yellow to now white. The sun is also hotter and remains in constant flaring state. We also are experiencing constant solar wind streams.

The article suggests that the amount of dust could increase by as much as ten times until the end of the current solar cycle in 2012. This is very serious in that it will affect the sun intensifying the T-Tauri state.

Here follows are some backup data:

Cosmic Debris Around Solar System - prevailing concept (1980 - 83): At the time of this prediction, astronomers believed that the solar system resided in a relatively dust free region of space.

Prediction No. 4 (1980 - 83): LaViolette hypothesized that large amounts of interstellar dust and frozen cometary debris lie outside the solar system just beyond the heliopause sheath and form a reservoir of material that would have supplied large amounts of cosmic dust during a prehistoric superwave event.

Verification (1984): The IRAS satellite team published infrared observations showing that the solar system is surrounded by nearby "cirrus" dust cloud wisps.

Verification (1988): Astronomer H. Aumann´s observations suggested that the solar system is surrounded by a dust envelope 500 times denser than previously thought.

Verification (1992 - 95): Telescope observations revealed the presence of the Kuiper belt, a dense population of cometary bodies encircling the solar system, beginning just beyond the orbit of Neptune and extending outward past the heliopause sheath.
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Cosmic Dust Influx - prevailing concept (1979): At the time of this prediction, astronomers believed that the rate at which cosmic dust particles have been entering the solar system and the Earth´s atmosphere has remained constant for millions of years. They believed that the solar system lies in a relatively clean interstellar space environment and hence that there is no need to expect the occurrence of recent cosmic dust incursions.

Prediction No. 5 (Sept. 1979): LaViolette theorized that if a cosmic ray volley (superwave) had passed by at the end of the ice age, it would have pushed nearby interstellar dust into the solar system. To test this, he began a plan to analyze ice age polar ice for traces of cosmic dust.

Verification (1981 - 82): LaViolette was the first to measure the extraterrestrial material content of prehistoric polar ice. Using the neutron activation analysis technique, he found high levels of iridium and nickel in 6 out of the 8 polar ice dust samples (35k to 73k yrs BP), an indication that they contain high levels of cosmic dust. This showed that Galactic superwaves may have affected our solar system in the recent past. In addition, he discovered gold in one 50,000 year old sample, making this the first time gold had been discovered in polar ice.

Verification (1984): The IRAS satellite team reported observations that the zodiacal dust cloud is tilted 3 degrees relative to the ecliptic with ascending and descending ecliptic nodes at 87° and 267°, but failed to draw a conclusion from this finding. LaViolette realized that the nodes are aligned with the Galactic-center-anticenter direction in support of his earlier prediction that interstellar dust has recently entered the solar system from the Galactic center direction. 1987: He published a paper in Earth, Moon, and Planets journal explaining that the orientation of the zodiacal dust cloud nodes indicates that this zodiacal dust recently entered from the direction of the Galactic center.

Verification (April 1993): NASA´s Ulysses spacecraft team published observations indicating that interstellar dust is currently entering the solar system from the Galactic center direction (from the direction the interstellar wind blows towards us) and hence that most of the dust outside the asteroid belt is of interstellar origin. Their findings were predicted by LaViolette´s 1983 and 1987 publications. One Ulysses team member had received Dr. LaViolette´s publications in 1985, but LaViolette´s work was not cited.

Verification (1995): Cosmochemists publish observations showing that Helium-3 concentrations in ocean sediments, an indicator of extraterrestrial dust influx, changed by over 3 fold on a 100,000 year cycle between 250,000 and 450,000 years ago.
Verification (1996): The AMOR radar in New Zealand detected a strong flux of interstellar meteoroid particles, measuring 15 to 40 microns in size, entering the solar system from the Galactic center direction.
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Prehistoric Solar Conflagration - prevailing concept (1983): At the time of LaViolette´s prediction, the general opinion was that the Sun has remained in its present quiescent solar cycle state for hundreds of millions of years. A small group of astronomers, however, dissented with this view. For example, in 1969, astrophysicist Thomas Gold published lunar rock evidence indicating that, within the last 30,000 years, the radiation intensity on the Moon had reached 100 suns for 10 to 100 seconds, possibly due to a solar nova. In 1975, astronomer A. Lovell suggested that sun-like stars occasionly produce flares of up to 10^37 ergs, 30,000 times more energetic than the largest solar flare of modern times. In 1977, astrophysicists Wdowczyk and Wolfendale suggested that the Sun might produce a flare a million times larger (3 X 10^38 ergs) about once every 100,000 years. Moreover in 1978, NASA astronomers Zook, Hartung, and Storzer had published lunar rock evidence indicating that 16,000 years ago solar flare background radiation intensity on the Moon´s surface had peaked to 50 times the current intensity and that this may have been somehow associated with the retreat of the ice sheets. The idea that the Earth and Moon might have been affected in the past by the arrival of a giant solar coronal mass ejection had not yet been advanced.

Prediction No. 8 (1983): In his dissertation, LaViolette proposed that invading cosmic dust would have caused the Sun to become more luminous and engage in continual flaring activity. In chapter 4, he suggested that on one occasion the Earth and Moon may have been engulfed by a large prominence remnant "fireball" (coronal mass ejection) thrown out by the Sun during a period of particularly intense solar activity. He interpreted the findings of Zook and Gold as evidence that the Sun had been in a highly active T-Tauri like flaring state and that at times its flaring activity had been as much as 1000 times currently observed levels. He suggested that these may have scorched the surface of the Earth in ice age times, inducing high temperatures, rapid ice sheet melting, global flooding, and mass animal extinction.

Concordance (1997): Satellite observations showed solar flares ejecting expanding balls of plasma called "coronal mass ejections"and demonstrated that these were capable of travelling outward beyond the Earth´s orbit. This lent credance to LaViolette´s theory that a large coronal plasma "fireball" thrown off by an immense solar flare may have reached the Earth and Moon and scorched their surfaces.

Concordance (1999): Astronomers announced that they had observed large explosive outbursts from the surfaces of nearby normal sunlike stars. These "superflares" were observed to range from 100 to 10 million times the energy of the largest flare observed on the Sun in modern times and were estimated to occur about once every hundred years. This confirmed the Lovell hypothesis and increased the plausibility of LaViolette´s suggestion that the Sun was producing mega solar flares and intense plasma fireballs at the end of the last ice age.
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The increase in "sun grazers" plunging into the sun is more likely a result of this increase in cosmic debris entering the inner solar system. More debris is pushed in by GRB and other galactic events that send massive volleys and shock waves of energy through the solar system pushing more debris into the inner solar system. One such even has just occurred please see the following links:

http://66.242.35.139/bbs/message.php?message=142260&topic=3

http://66.242.35.139/bbs/message.php?page=4&topic=3&message=141165&mpage=&showweek=

These links discuss a microquasar event that occurred in Sgr. Major shcok waves and jets of energy appear to have plowed through our solar system, and in doing so likely has pushed in another large amount of cosmic debris. It is likely these GRB and other galactic events that push comets and other cosmic debris into orbit around our sun from the Oort cloud and kuiper belt rather then some rog brown dwarf planet x type object.

Effects cause by T-Tauri state of sun would likely be very extensive and not discussed here atm.

out..

SS



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