Dragonfly 44

Dragonfly 44

The dark galaxy Dragonfly 44. Credit: Pieter Van Dokkum, Roberto Abraham Gemini, Sloan Digital Sky Survey

The dark galaxy Dragonfly 44. The image on the left is a wide view of the galaxy taken with the Gemini North telescope using the Gemini Multi-Object Spectrograph (GMOS). The close-up on the right is from the same very deep image, revealing the large, elongated galaxy, and halo of spherical clusters of stars around the galaxy’s core, similar to the halo that surrounds our Milky Way Galaxy. Dragonfly 44 is very faint for its mass, and consists almost entirely of Dark Matter. Credit: Pieter Van Dokkum, Roberto Abraham Gemini, Sloan Digital Sky Survey

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