See also: Mass Effect System Guide The Milky Way, from the top down The Milky Way galaxy , a barred spiral galaxy containing between two and four hundred billion stars, is the setting for the events of Mass Effect. The player will explore many systems and planets as listed below in a bevy of story-driven missions and optional assignments across the mass relay network. The galaxy is navigable through the Galaxy Map on the SSV Normandy in Mass Effect , and the Normandy SR-2 in Mass Effect 2 and Mass Effect 3 .
Mass Effect Galaxy Map The Milky Way with known mass relay routes (click on a cluster or a label to learn more).
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Kepler Verge
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Local Cluster
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Maroon Sea
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Pangaea Expanse Sentry Omega Serpent Nebula
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Styx Theta
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Voyager Cluster
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Mass Effect 2 Caleston Rift
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Eagle Nebula
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Rosetta Nebula Serpent Nebula
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The Phoenix Massing The Shrike Abyssal
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Titan Nebula Vallhallan Threshold
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Viper Nebula Mass Effect 3 Aethon Cluster
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Athena Nebula
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Hades Nexus
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Petra Nebula
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Pylos Nebula
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Serpent Nebula
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Shadow Sea Sigurd's Cradle
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The Shrike Abyssal
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