The Warp in this Spiral Galaxy was probably the result of a cosmic collision with another galaxy.
Hubble Heritage Team (STScI/AURA), C. Conselice (U. Wisconsin/STScI) et al., NASA
March 4, 2012 The exquisite warp seen here is likely caused by interactions with other galaxies. Collisions or "harassment" between galaxies is quite common and may be the most important process shaping galactic evolution.
"El Gordo" — the "big" or "fat" one in Spanish — as seen in a composite image produced by NASA's Chandra X-ray Observatory.
January 11, 2012 It's the biggest cluster of galaxies ever seen and may help scientists learn more about dark energy, dark matter and how such clusters form.
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