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Photo of Eruption of Galactic Super-Volcano In Galaxy M87

 Stock Photo by NASA Public Domain

 Image Number: 0124-1009-1013-2545

Photo of Eruption of Galactic Super-Volcano In Galaxy M87
Eruption of Galactic Super-Volcano in Galaxy M87.

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  • Stock Photo Description: Photo of eruption of Galactic Super-Volcano in Galaxy M87. This is a photo by NASA Public Domain showing eruption of Galactic Super-Volcano in Galaxy M87.

    This image shows the eruption of a galactic “super-volcano” in the massive galaxy M87, as witnessed by NASA's Chandra X-ray Observatory and NSF's Very Large Array (VLA). At a distance of about 50 million light years, M87 is relatively close to Earth and lies at the center of the Virgo cluster, which contains thousands of galaxies.

    The cluster surrounding M87 is filled with hot gas glowing in X-ray light (and shown in blue) that is detected by Chandra. As this gas cools, it can fall toward the galaxy's center where it should continue to cool even faster and form new stars.

    However, radio observations with the VLA (red) suggest that in M87 jets of very energetic particles produced by the black hole interrupt this process. These jets lift up the relatively cool gas near the center of the galaxy and produce shock waves in the galaxy's atmosphere because of their supersonic speed. The interaction of this cosmic “eruption” with the galaxy's environment is very similar to that of the Eyjafjallajokull volcano in Iceland that occurred in 2010. With Eyjafjallajokull, pockets of hot gas blasted through the surface of the lava, generating shock waves that can be seen passing through the grey smoke of the volcano. This hot gas then rises up in the atmosphere, dragging the dark ash with it. This process can be seen in a movie of the Eyjafjallajokull volcano where the shock waves propagating in the smoke are followed by the rise of dark ash clouds into the atmosphere.

    In the analogy with Eyjafjallajokull, the energetic particles produced in the vicinity of the black hole rise through the X-ray emitting atmosphere of the cluster, lifting up the coolest gas near the center of M87 in their wake. This is similar to the hot volcanic gases drag up the clouds of dark ash. And just like the volcano here on Earth, shockwaves can be seen when the black hole pumps energetic particles into the cluster gas.

    Image Credits: X-ray: NASA/CXC/KIPAC/N. Werner et al Radio: NSF/NRAO/AUI/W. Cotton

    Image courtesy of NASA. NASA images are in the public domain and may be used for free, however certain restrictions may apply. This public domain image may not be used in any way suggesting approval or endorsement of any people appearing in the photos. Please read the NASA guidelines for use for more information and info about using the NASA insignia logo and other intellectual property that may appear in these NASA public domain images.

    Stock photography by NASA Public Domain

    Copyright: United States Government Works

    • Model Release: No

    • Property Release: No

    * This is a public domain image


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    Photo of Eruption of Galactic Super-Volcano In Galaxy M87



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