Arp 188 - The Tadpole Galaxy (Team OURANOS)

Celestial hemisphere: Northern · Constellation: Draco (Dra)

Arp 188 - The Tadpole Galaxy, Team OURANOS

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Arp 188 - The Tadpole Galaxy

Link: https://team-ouranos.fr/arp-188/

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Arp 188 - The Tadpole Galaxy

Link: https://team-ouranos.fr/arp-188/

The Tadpole Galaxy, also known as UGC 10214 and Arp 188, is a disrupted barred spiral galaxy located 420 million light-years from Earth in the northern constellation Draco.
Its most dramatic feature is a trail of stars about 280,000 light-years long. Its size has been attributed to a merger with a smaller galaxy that is believed to have occurred about 100 million years ago.
The galaxy is filled with bright blue star clusters triggered by the merger, some containing as many as one million stars.
It is the largest disrupted spiral galaxy of its sort.

It is hypothesized that a more compact intruder galaxy crossed in front of the Tadpole Galaxy—from left to right from the perspective of Earth—and was slung around behind the Tadpole by their mutual gravitational attraction. During this close encounter, tidal forces drew out the spiral galaxy's stars, gases and dust, forming the conspicuous tail. The intruder galaxy, estimated to lie about 300,000 light-years behind the Tadpole, can be seen through foreground spiral arms at the upper left. Following its terrestrial namesake, the Tadpole Galaxy will likely lose its tail as it grows older; the tail's star clusters forming smaller satellites of the large spiral galaxy.

(Source : Wikipedia)

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