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January 15, 2010: Last year, when NASA's IBEX (Interstellar Boundary Explorer) spacecraft discovered a giant ribbon at the edge of the solar system, researchers were mystified. They called it a "shocking result" and puzzled over its origin. Now the mystery may have been solved.
The ribbon it sees is vast and stretches almost all the way across the sky, suggesting that the magnetic field behind it must be equally vast.
Galactic Core Explosions - prevailing concept (1980): At the time of this prediction, astronomers believed that the cores of galaxies, including our own, become active ("explode") about every 10 to 100 million years and stay active for about a million years. Since our own Galactic core presently appears quiescent, they believed it would likely remain inactive for many tens of millions of years. Although, in 1977, astronomer Jan Oort cited evidence that our Galactic core has been active within the past 10,000 years.
Prediction No. 1 (1980 - 1983): In his Ph.D. dissertation, LaViolette hypothesized that galactic core explosions recur about every 10,000 years and last for several hundred to a few thousand years. He was the first to suggest such a short recurrence time for galactic core explosions and that our own Galactic core undergoes Seyfert-like explosions with similar frequency.
"If this mechanism is correct--and not everyone agrees--then the shape of the ribbon is telling us a lot about the orientation of the magnetic field in our corner of the Milky Way galaxy," notes Heerikhuisen. And upon this field, the future may hinge. The solar system is passing through a region of the Milky Way filled with cosmic rays and interstellar clouds. The magnetic field of our own sun, inflated by the solar wind into a bubble called the "heliosphere," substantially protects us from these things. However, the bubble itself is vulnerable to external fields. A strong magnetic field just outside the solar system could press against the heliosphere and interact with it in unknown ways. Will this strengthen our natural shielding—or weaken it? No one can say.
Originally posted by Romanian
As far as I understood, we do not approach the galactic equator . It is the opposite, we depart from it . I will try to find the source on this statement.