Word: thespectra
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Meanwhile, Professors of Astronomy Margaret J.Geller and John P. Huchra are measuring thespectra and velocity of distant galaxies at theWhipple Observatory. The pair plans to create athree-dimensional map of galaxy distributionacross the universe. Their unexpected resultsindicate that the universe is made up of giantbubble-like voids, whose boundaries are wheregalaxies reside...
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