“Dark" galaxies found by FAST but not seen by optical telescopes (IMAGE)

Chinese Academy of Sciences Headquarters

“Dark" galaxies found by FAST but not seen by optical telescopes

Caption

“Dark" galaxies found by FAST but not seen by optical telescopes. Left and middle panels show HI spectrum and image observed by FAST, respectively; the right panel is an optical image.

Credit

KANG Jiangang

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