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Use "galactocentric" in a sentence
"However, most astronomers still assumed that the Milky Way comprised the whole Universe, and this galactocentric galactos = milk view persisted well into the twentieth century."
"Why don't we talk about a galactocentric model of the solar system?"
"Work now underway should lead to improved accuracy of the pulsar proper motion, and the Sun's galactocentric distance may be better known in the future."