An artist's impression of GRO J1655-40 (1999 and 2001) illustrated photo by NASA/CXC/A.Hobart. Original public domain image… https://www.rawpixel.com/image/10184771/image-face-person-spaceFree Image from public domain licenseBlack hole (2001) photo by XMM-Newton, ESA, NASA. Original public domain image from Wikimedia Commons. Digitally enhanced by… https://www.rawpixel.com/image/10184853/image-galaxy-person-spaceFree Image from public domain licensePurple backgrounds pattern nature https://www.rawpixel.com/image/12141765/image-background-abstract-galaxyView licenseBackgrounds abstract pattern purple. 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AI generated Image by rawpixel. https://www.rawpixel.com/image/12533692/abstract-pattern-swirl-backgrounds-generated-image-rawpixelView licenseBackgrounds abstract pattern purple. AI generated Image by rawpixel. https://www.rawpixel.com/image/12153469/image-background-texture-abstractView licenseCyclone abstract pattern spiral. https://www.rawpixel.com/image/13892622/cyclone-abstract-pattern-spiralView licenseA Ghost art graphics pattern. https://www.rawpixel.com/image/13014540/ghost-art-graphics-pattern-generated-image-rawpixelView licenseGateway abstract pattern spiral. https://www.rawpixel.com/image/14110438/gateway-abstract-pattern-spiralView licenseComic blue swirl warp effect backgrounds abstract pattern. https://www.rawpixel.com/image/14458450/comic-blue-swirl-warp-effect-backgrounds-abstract-patternView licenseAnger graphics pattern spiral. 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