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Hubble image of Arp 220, also known as IC 4553. Arp 220 is the aftermath of a collision between two spiral galaxies. The collision set off a burst of star formation, creating star clusters seen as bluish-white bright knots in this image. This image is part of a collection of 59 images of merging galaxies released to celebrate Hubble's 18th anniversary in 2008. Credit: NASA, ESA, STScI, A. Evans Source:

NASA Science

Hubble Interacting Galaxy Arp 220 - NASA Science

Arp 220 appears to be a single, odd-looking galaxy, but is in fact a nearby example of the aftermath of a collision between two spiral galaxies. It...

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Hubble Space Telescope image of Arp 23, also known as NGC 4618. NGC 4618 is a single-armed barred spiral galaxy. It has a diameter of about a third that of the Milky Way. Its unusual shape may come from gravitational interactions with a neighboring galaxy NGC 4625, which is just out of frame. Credit: ESA, NASA, I. Karachentsev Source:

www.esahubble.org

Single Arm Galaxy

Single Arm Galaxy

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Hubble and Spitzer image of Arp 148, also known as Mayall's Object. The thick clouds of dusty material in the edge-on galaxy (left) glow brightly in the infrared wavelengths of light seen by Spitzer (red), while starlight dominates the visible light from Hubble (blue and green). The edge-on galaxy likely crashed through its companion, creating a ring and triggering a burst of star formation. Credit: NASA, JPL-Caltech, STScI Source:

Arp 148 (Visible & Infrared)

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Gran Telescopio Canarias image of Arp 84, also known as NGC 5394 and NGC 5395. This interacting pair is sometimes called the "Heron Galaxy". The larger spiral, NGC 5395 forms the body and wing of the heron and the smaller, two-armed NGC 5394 forms the neck, head, and beak of the bird. Credit: GTC, IAC Source: https://www.gtc.iac.es/multimedia/imageGallery.php #ArpGalaxy #Galaxy #Space #Astronony