Ghost galaxy Cloud 9 — an object with not a single star

Ghost galaxy Cloud 9: diffuse gas cloud with no visible stars against the starry sky

The image shows a sparse cloud of gas and dust resembling the ghost galaxy Cloud 9, detected 14 million light-years from Earth. Bright streams of light and pink-blue nebulas highlight the absence of starlight within the object itself. The picture illustrates how astronomers distinguish nearly invisible galaxies made of hydrogen only.

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