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 hide caption

toggle caption Hubble Heritage Team (STScI/AURA), C. Conselice (U. Wisconsin/STScI) et al., NASA

"El Gordo" — the "big" or "fat" one in Spanish — as seen in a composite image produced by NASA's Chandra X-ray Observatory. NASA/CXC/Rutgers/J.Hughes hide caption

toggle caption NASA/CXC/Rutgers/J.Hughes

'El Gordo,' Galaxy With Mass 2 Quadrillion Times The Sun's, Discovered

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