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VERY interesting scientific article about previous “Mass Extinctions” and Planet-X!

U of A Researcher Links Mass Extinctions to 'Planet X'

FAYETTEVILLE, Ark. – Periodic mass extinctions on Earth, as indicated in the global fossil record, could be linked to a suspected ninth planet, according to research published by a faculty member of the University of Arkansas Department of Mathematical Sciences.

Daniel Whitmire, a retired professor of astrophysics now working as a math instructor, published findings in the January issue of Monthly Notices of the Royal Astronomical Society that the as yet undiscovered “Planet X” triggers comet showers linked to mass extinctions on Earth at intervals of approximately 27 million years.

Though scientists have been looking for Planet X for 100 years, the possibility that it’s real got a big boost recently when researchers from Caltech inferred its existence based on orbital anomalies seen in objects in the Kuiper Belt, a disc-shaped region of comets and other larger bodies beyond Neptune. If the Caltech researchers are correct, Planet X is about 10 times the mass of Earth and could currently be up to 1,000 times more distant from the sun.

Whitmire and his colleague, John Matese, first published research on the connection between Planet X and mass extinctions in the journal Nature in 1985 while working as astrophysicists at the University of Louisiana at Lafayette. Their work was featured in a 1985 Time magazine cover story titled, “Did Comets Kill the Dinosaurs? A Bold New Theory About Mass Extinctions.”

At the time there were three explanations proposed to explain the regular comet showers: Planet X, the existence of a sister star to the sun, and vertical oscillations of the sun as it orbits the galaxy. The last two ideas have subsequently been ruled out as inconsistent with the paleontological record. Only Planet X remained as a viable theory, and it is now gaining renewed attention.

Whitemire and Matese’s theory is that as Planet X orbits the sun, its tilted orbit slowly rotates and Planet X passes through the Kuiper belt of comets every 27 million years, knocking comets into the inner solar system. The dislodged comets not only smash into the Earth, they also disintegrate in the inner solar system as they get nearer to the sun, reducing the amount of sunlight that reaches the Earth.

Whitmire says what’s really exciting is the possibility that a distant planet may have had a significant influence on the evolution of life on Earth.

“I’ve been part of this story for 30 years,” he said. “If there is ever a final answer I’d love to write a book about it.”


MadMax, good catch!! It is interesting to see a current article about Whitmire.
As I recall, Marshall posted about Whitmire and Matese and I did too, years ago...
Oh yeah... it does goes back to 2010 on the Town Hall...

>>I did a search here, on Whitmire and Matese and up popped a few different Topics.<<

I hadn't thought about them for awhile.

You are good at finding current items, and this is very valuable.
I forwarded on the info to Marshall including your Topic,
- Barb T.

It does makes sense when you look at the bigger picture.  I had not given a lot of thought of "where" the PX system would pass through the Kuiper Belt each time it makes a pass, but it is logical that it would be constantly changing, i.e., that with each new pass, it would move through a different area.

Yes, thanks for posting this, MadMax!

Interesting article on Planet-X

Meet Planet X, The ‘Killer’ Giant Lurking At The Edge Of Our Solar System

Now it looks like we might actually have a new contender to fill the Plutonian void: The science world has been in a tizzy over the proposed existence of a previously unknown planet, located at the far-flung edge of our solar system. It’s being called “Planet Nine,” or (more mysteriously), “Planet X,” and it’s a big one—potentially 10 times more massive than Earth. Its existence would explain the behavior of a group of icy objects moving through the Kuiper Belt, a region beyond Neptune. And if Planet X is actually out there, the newly discovered orb would take around 20,000 years to complete a single trip around the sun.

The New York Post, for example, calls it the “killer planet” in an April video, asserting that its “orbit might cause asteroids to come shooting at the Earth.”

Along with fellow researcher Konstantin Batygin, Brown proposed the existence of Planet Nine through “mathematical modeling and computer simulations,” and though no one has actually seen Planet Nine yet, the search to catch a telescopic glimpse is on. For now, scientists are trying to figure out how, if Planet Nine exists, it originally formed, and how it even got that far out from the sun in the first place. One theory is that Planet Nine was once dragged out by the pull of another passing star. But it seems more likely that Jupiter and Saturn teamed up to bully the theoretical planet to the nether ends of the solar system with a succession of gravitational pushes. (Typical Jupiter and Saturn.)


Important scientific article on Earth’s Magnetic Reversal and how fast such an event can happen discussed on this mornings Suspicious Observers morning news. .

How fast was the last geomagnetic reversal? Experimental constraints from the Sulmona lacustrine sequence (central Apennines, Italy)

Paleomagnetic data from sedimentary and lava rocks provide a unique opportunity to investigate the details of geomagnetic field behavior during field reversals, as well as experimental evidence to constrain predictions of geomagnetic field evolution during periods of field instability.

We conclude that either SUL2-18 resulted in the remagnetization of an interval of about 6 cm, and thus the detailed MBB record is lost because it is overprinted, or the polarity transition is well recorded in the sediments below cryptotephra SUL2-18 and lasted less than 13 ± 6 yr. A duration at a decadal scale of the polarity transition at the terminus of the MBB is consistent with other sedimentary records and with the compilation of the best paleomagnetic transition records available from lava flows.



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