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intergalactic
01
existing or occurring between galaxies
Example
Intergalactic cosmic rays originate from outside our galaxy.
The intergalactic medium contains gas and dust spread throughout space.
Intergalactic distances are immense, requiring advanced technology for travel.
Science fiction often explores the concept of intergalactic civilizations.
While waiting for the bus, they were kidding about starting their own intergalactic travel agency.
