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Originally posted by GriffinRD
Well that is a funny question. It is about like asking if your cell phone will still work as your drowning in the ocean!
With the flood of cosmic radiation anybody caught above ground will simply fall over dead. The other planet cleansing events will pretty much wipe out all organic life, or cause all kinds of mutations. It all depends on how the field changes at it swaps. You'll find some good images of that from a good google search.
Source
Although fast by geological standards, reversals are by no means quick on the human time scale. They take roughly 5,000 years, with estimates ranging from 1,000 years and 8,000 years.
Source
The researchers found that the reversal frequency increased sharply during three periods, each separated by 30-Myr intervals: at 8 to 12 Myr ago, 35 to 45 Myr ago and 65 to 75 Myr ago. They point out that the spurts coincide with globalscale catastrophic episodes signaled by mass extinctions, impact craters, geochemical anomalies and the production of small glass grains called tektites, which are thought to be created by impacts. Pal and Creer suggest that "the approximately periodic recurrences of catastrophic episodes caused reversal spurts during [times of frequent reversals].'
However, according to Richard Muller at the University of California at Berkeley, "the model that they [Pal and Creer] describe fails miserably when you try to work it out in detail.'
Originally posted by GriffinRD
Author Bob Felix and personal friend, was on C2C last night talking with George Noory
Originally posted by Phage
reply to post by ElectroMagnetic Multivers
The Solar System does move through the galactic plane about every 40 million years. But, as I said, there is no pattern to past magnetic reversals.
[edit on 11-10-2008 by Phage]
"Estimates of the length of one orbit range from 225 to 250 million "terrestrial" years."
Originally posted by Phage
reply to post by ElectroMagnetic Multivers
In addition to the orbital motion, there is a vertical oscillation. The vertical cycle occurs 2.7 times each orbit.
The Solar System describes three kinds of motion, each one at a specific speed and with a limited alternation:
1. The wider and fastest movement is the orbital motion of the Solar System around the nucleus of our galaxy. The speed of the Solar System orbital motion around the center of the galaxy is 217.215 Km/s. The Solar System completes one track around the galaxy each 226 million years.
2. The second movement, described in most of astronomy books, is the oscillation of the Solar System from north to south and vice versa with respect to the galactic plane. It is a swing upwards and downwards, determined mainly by the gravitational pull among the celestial bodies in the Solar System. The speed of this movement is of 7 Km/second.
3. The third movement is in route towards the center of the galaxy and the order reversed or moving away from the center of the galaxy. It is also a swinging movement, but influenced by the gravitational pull of outer and inner celestial bodies of the galaxy that are near to the Solar System. This motion has a speed of 20 Km/s, and it is drawing now toward Hercules constellation.
Seen altogether the three movements confer to the Solar System an apparent helical motion around the nucleus of the galaxy.
Originally posted by Phage
reply to post by ElectroMagnetic Multivers
It's just one component of our overall motion though the galaxy.
The solar system does indeed periodically pass through the galactic plane but there is no evidence, nor reason to believe that this has anything to do with magnetic reversals.
There is some correlation with mass extinctions but what the connection might be is a topic of a lot of debate.
Originally posted by Phage
reply to post by ElectroMagnetic Multivers
As I said, we cross the plane about every 40 million years. The trouble is there is no way to tell where the "exact" plane is or when we cross it.
The galaxy in our neighborhood is about 1,000 light years thick. To even pretend to know where the exact centerline is our when we are crossing is absurd.