ESO 350-40, Cartwheel Galaxy, Lenticular Galaxy
False-color composite image shows the Cartwheel galaxy as seen by the Galaxy Evolution Explorer's far ultraviolet detector (blue); the Hubble Space Telescope's wide field and planetary camera 2 in B-band visible light (green); the Spitzer Space Telescope's infrared array camera at 8 microns (red); and the Chandra X-ray Observatory's advanced CCD imaging spectrometer-S array instrument (purple). Approximately 100 million years ago, a smaller galaxy plunged through the heart of Cartwheel galaxy, creating ripples of brief star formation. In this image, the first ripple appears as an ultraviolet-bright blue outer ring. The blue outer ring is so powerful in the Galaxy Evolution Explorer observations that it indicates the Cartwheel is one of the most powerful UV-emitting galaxies in the nearby universe. The clumps of pink along the outer blue ring are regions where both X-rays and ultraviolet radiation are superimposed in the image. The X-ray sources seem to cluster around optical/ultraviolet-bright supermassive star clusters.
Size: 3240px × 3240px
Photo credit: © Photo Researchers / Alamy / Afripics
License: Licensed
Model Released: No
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