NGC 5917 - Interacting Spiral Galaxy

In this image, taken by the Hubble Space Telescope, you can see NGC 5917. It is a spiral galaxy, located in the constellation of Libra (https://goo.gl/U5lySE), about 87 million light-years away from Earth. It has a diameter of roughly 40,000 light-years.

NGC 5917 is pulling matter off of MCG-01-39-003, another galaxy which can't be seen in this image (Take a look at the ESO link for an image of both). Galaxies showing this behavior are called interacting galaxies (https://goo.gl/ipKZIe). And although the galaxy looks a little bit distorted, the spiral structure can still be clearly seen in this image. At some point in the future NGC 5917 might merge with its neighbor MCG-01-39-003 in what is called a galaxy merger (https://goo.gl/C1SCNa).

NGC 5917 was discovered July 16th, 1835, by the English astronomer John Herschel (https://goo.gl/WCo123).

More information here:
https://www.spacetelescope.org/images/potw1718a/
https://www.eso.org/public/news/eso0622/

More on the morphological classification of galaxies:
https://en.wikipedia.org/wiki/Galaxy_morphological_classification

Image credit: NGC 5917 ESA/Hubble & NASA https://goo.gl/MXMGL4 CC BY 4.0 https://goo.gl/hNRHCd

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#science #astronomy #ngc5917 #galaxy #spiralgalaxy #interactinggalaxy #hubble #hst #space #galaxymerger
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