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Planet_X What's the lastest?


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Ikanator #21 Posted Mar 17 2017 - 01:21

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I would be willing to buy a large planet out beyond the Kuiper belt that occasionally "knocks" comets, asteroids and other assorted whatnot into the inner solar system. I do not buy some sort of large planet on a 3600 year orbit that comes roaring into the inner solar system and then goes out again. I think that if that were the case there would be a lot more supporting evidence that would show serious disruptions occurring with clockwork regularity. Given that I was originally an archeologist and I'm not familiar with anything that would be along the lines of what I would have expected to see from something like that I have serious doubts.

 

Just my two cents for whatever anybody else thinks they may be worth.

 

 



Klaatu_Nicto #22 Posted Mar 17 2017 - 17:45

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Periodicity Of Extinctions In The Geologic Past

http://www.pnas.org/content/81/3/801.full.pdf



freshwatergame #23 Posted Aug 31 2017 - 11:02

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More input Stephanie. More input!

MacDaddyMatty #24 Posted Aug 31 2017 - 12:23

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Small black hole?

(Why we can't see it).

 

 

http://www.stefanom.org/spc/#

Anything with planetary mass on an orbit that transitions the inner planets would perturb the orbits (of the inner planets) to where earth would be swung in and out of the 'goldilocks zone'. These orbits would not recover in the predicted timeframe.


Edited by MacDaddyMatty, Aug 31 2017 - 12:26.


Klaatu_Nicto #25 Posted Aug 31 2017 - 18:05

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Stellar Encounters With The Sun
As the solar system moves through the Galaxy, it is likely to come close to other stars. Ionizing radiation from particularly hot or active stars could adversely affect life on Earth. Tidal forces could shear the Oort cloud, the postulated body of primordial comets orbiting in the cold, dark outskirts of the solar system. This could push  some bodies into the inner solar system in the form of comet showers, where they could potentially impact the Earth.

 

The closest encounter found is Gl 710, known for some time to come close to the Sun.....This brings it within the Oort cloud, and although its mass is low, so is its velocity, so its perturbing influence is likely to be much higher than more massive but more distant encounters.
https://arxiv.org/pdf/1708.08595.pdf


Search for Close Stellar Encounters with the Solar System from Data on Nearby Dwarfs
Passages of Galactic field stars near the Oort cloud or even penetration into this cloud can induce the formation of cometary showers moving in the vicinity of the giant planets. The possible bombardment of the Moon and Earth with such cometary bodies is not ruled out.

 

We have identified for the first time six stars that may approach the solar system to distances of less than 1 pc. Two stars have high probabilities of penetrating into the region of the cometary Oort cloud.
https://arxiv.org/pdf/1708.03300.pdf

 



ichi_kaiju #26 Posted Sep 12 2017 - 02:34

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I saw that on 23-09-2017 we will be killed off because this planet nails us.  It has to be true, it was on the internet.

Klaatu_Nicto #27 Posted Sep 12 2017 - 03:29

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View PostHorribad_At_Tanks, on Mar 16 2017 - 15:02, said:

 

There tends to be a grain of truth to these old stories but the trick is to figure out the real events that happened. It could very well have been a thunderstorm during sunset which gave it a huge red appearance and lightning zapped the army. But that's boring and needed proper embellishment for such a disaster.

 

 

 

How about solar storm caused by X class solar flare causing massive plasma discharges that strike earth?

Klaatu_Nicto #28 Posted Sep 12 2017 - 03:30

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freshwatergame #29 Posted Sep 14 2017 - 10:22

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nice

 






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