Monday, June 11, 2012

Our solar system is not protected from the rest of the galaxy. Why?

Fresh explanation of the solar system's borders have unwavering that the Sun moves through space at a speed lower than estimated so far, prevent form the bend over shock that evidently marked the border between our solar system and interstellar medium. The discovery suggests that the protective boundary that separates our solar system from the rest of the galaxy that has no bend over shock, which could have implications for how much radiation (in the form of galactic cosmic rays) coming into our solar system.

NASA (IBEX) show that the sun moves more slowly than previously thought through space and the pressure exerted on the  heliosphere is 25 percent lower than expected, it impossible to create the so-called bow shock, widely accepted by researchers as an outpost of the heliosphere, reports the Southwest Research Institute in a statement . The solar system is moving rapidly through space, traveling in a bubble of wind solar magnetic field called the  heliosphere , the bubble that surrounds the Earth and other planets in our solar system. The boundary of the  heliosphere where the solar wind interacts with the rest of the galaxy marks the edge of the solar system, known as the interstellar boundary region. It is called bow shock or even sometimes "shock layer" (in English bow shock) to the border region between the magnetosphere of a celestial body and the interstellar medium. Applied to stars, is the boundary between the solar wind and interstellar medium. Applied to planets like Earth, is the region where the solar wind is deflected by Earth's magnetic field. According to an article published in the journal Science, the latest data from the relative speed and strength of local interstellar magnetic field prevents develop the budget  heliosphere bow shock.

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