News of the WeekAstronomy

Distorted Galaxies Point to Dark Matter

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Science  17 Mar 2000:
Vol. 287, Issue 5460, pp. 1899-1901
DOI: 10.1126/science.287.5460.1899b

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Summary

Groups working with three different telescopes have detected weak lensing, a distortion of distant galaxies that reveals dark matter strewn across deep space. The results provide a first direct glimpse of the vast tangle of massive, invisible stuff that astronomers and astrophysicists believe makes up most of the mass of the universe.