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Galactic Merger Warps Magnetic Fields 5nvklj





Galactic Merger Warps Magnetic Fields 9tpt39

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    Galactic Merger Warps Magnetic Fields

    Dragon
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    • Post n°1

    Galactic Merger Warps Magnetic Fields Empty Galactic Merger Warps Magnetic Fields

    Post by Dragon Wed Apr 14, 2021 4:17 am

    What happens when two galaxies collide?

    One of the brightest galaxies in the night sky, Centaurus A, is well known for its distinct “S” shape. This shape is believed to be the result of a clash between a spiral and an elliptical galaxy about 100 million years ago.

    Now, for the first time, scientists have mapped out the invisible magnetic fields pulsing through Centaurus A using infrared light.

    The results show how the merging of the two original galaxies created a new, reshaped, and contorted galaxy that not only combined the two galaxies’ magnetic fields but amplified their forces.

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    • Post n°2

    Galactic Merger Warps Magnetic Fields Empty Re: Galactic Merger Warps Magnetic Fields

    Post by Dragon Wed Apr 14, 2021 4:20 am

    Galactic Merger Warps Magnetic Fields Cena_lic-lp-nature-cropped
    Credits: Optical: European Southern Observatory (ESO) Wide Field Imager; Submillimeter: Max Planck Institute for Radio Astronomy/ESO/Atacama Pathfinder Experiment (APEX)/A.Weiss et al.; X-ray and Infrared: NASA/Chandra/R. Kraft; JPL-Caltech/J. Keene; SOFIA/L. Proudfit

    Composite image of Centaurus A. Magnetic fields observed by SOFIA are shown as streamlines over an image of the galaxy taken at visible and submillimeter wavelengths by the European Southern Observatory and Atacama Pathfinder Experiment (orange), X-ray wavelengths from the Chandra X-Ray observatory (blue) and infrared from the Spitzer Space Telescope (dark red).

    The large-scale magnetic fields, across 1,600 light-years, are parallel to the dust lanes seen in visible light and other wavelengths. However, the fields appear twisted and distorted near the middle.

    The twisting is a remnant of the spiral-shaped magnetic field from one of the original galaxies, while the active, supermassive black hole at its core adds to the distortions.

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    • Post n°3

    Galactic Merger Warps Magnetic Fields Empty Re: Galactic Merger Warps Magnetic Fields

    Post by Dragon Wed Apr 14, 2021 4:21 am

    Galactic Merger Warps Magnetic Fields Cena_lic-lp-no-streamlines
    Credits: Optical: European Southern Observatory (ESO) Wide Field Imager; Submillimeter: Max Planck Institute for Radio Astronomy/ESO/Atacama Pathfinder Experiment (APEX)/A.Weiss et al; X-ray and Infrared: NASA/Chandra/R. Kraft; JPL-Caltech/J. Keene

    Composite image of Centaurus A without the streamlines observed by SOFIA. The image was taken at visible and submillimeter wavelengths by the European Southern Observatory and Atacama Pathfinder Experiment (orange), X-ray wavelengths from the Chandra X-Ray observatory (blue) and infrared from the Spitzer Space Telescope (dark red).

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    • Post n°4

    Galactic Merger Warps Magnetic Fields Empty Re: Galactic Merger Warps Magnetic Fields

    Post by Dragon Wed Apr 14, 2021 4:24 am



    Watch as the jets and winds from a supermassive black hole affect its host galaxy—and the space hundreds of thousands of light-years away over millions of years.


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    Galactic Merger Warps Magnetic Fields Empty Re: Galactic Merger Warps Magnetic Fields

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