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Homeby Witness Moecki
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You are viewing a single comment's thread from:

RE: The Sirens Song - Doppler Effect - Redshift and Blueshift.

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dayleeo (70)in #science • 7 years ago

Where is it expanding out from?? Have we found the center? Is it steemit?

7 years ago in #science by dayleeo (70)
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