HINTS： 

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Pegasus Cluster 

Local Group 

M31 

Milky Way 

human 【发音略怪~

From the Pegasus Cluster, our voyage's taken us 200 million light years to the Local Group dominated by two great spiral galaxies. Beyond M31 is another very similar galaxy, its spiral arms slowly turning once every quarter billion years. This is our own Milky Way seen from the outside. This is the home galaxy of the human species.

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