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Thursday, November 8, 2012

Arp 188 and the Tadpole's Tail

Arp 188 and the Tadpole's Tail
Click on the image for full resolution (1.46 MB)

In this stunning vista, based on image data from the Hubble Legacy Archive, distant galaxies form a dramatic backdrop for disrupted spiral galaxy Arp 188, the Tadpole Galaxy. Arp 188 is also known as UGC 10214. The cosmic tadpole is a mere 420 million light-years distant toward the northern constellation Draco. Its eye-catching tail is about 280 thousand light-years long and features massive, bright blue star clusters. One story goes that a more compact intruder galaxy crossed in front of Arp 188 - from right to left in this view - and was slung around behind the Tadpole by their gravitational attraction. During the close encounter, tidal forces drew out the spiral galaxy's stars, gas, and dust forming the spectacular tail. The intruder galaxy itself, estimated to lie about 300 thousand 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.
The full resolution image weighs 1.46 MB, so please be (a little) patient when downloading!
Credit: Hubble Legacy Archive, ESA, NASA
Processing: Bill Snyder (Heavens Mirror Observatory)
Image enhancement: Jean-Baptiste Faure

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