NGC 4485
This galaxy is irregular in shape, but it hasn’t always been so. Part of NGC 4485 has been dragged towards a second galaxy, named NGC 4490, which lies out of frame to the bottom right of this image. Between them, these two galaxies make up a galaxy pair called Arp 269. Their interactions have warped them both, turning them from spiral galaxies into irregular ones.
Image Credit: ESA/Hubble & NASA, Acknowledgement: Kathy van Pelt
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https://science.nasa.gov/image-detail/potw1419a/
Image CreditESA/Hubble & NASA, Acknowledgement: Kathy van Pelt
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