HUBBLE ATLAS
Hubble used as a measuring tape (Fornax Cluster , Milky Way , Virgo Cluster) — image from the Hubble Space Telescope

Illustrations

Hubble used as a measuring tape

May 9, 1996 · ESA/Hubble · Fornax Cluster , Milky Way , Virgo Cluster

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Hubble Space Telescope has been used to measure the distance to two neighboring clusters of galaxies, the Fornax and Virgo Cluster, which are in nearly opposite directions on the sky.