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Chandra X-Ray Observatory - Black Holes

Black Holes: A black hole is an object containing so much mass concentrated in a relatively small space that light cannot escape. (Infograph Illustration: NASA/CXC/M.

pinterest: @jaidyngrace Fall leaf September calendar 2016 wallpaper you can download for free on the blog! For any device; mobile, desktop, iphone, android!

pinterest: @jaidyngrace Fall leaf September calendar 2016 wallpaper you can download for free on the blog! For any device; mobile, desktop, iphone, android!