News of the WeekAstrophysics

Dwarf Galaxies May Help Define Dark Matter

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Science  10 Feb 2006:
Vol. 311, Issue 5762, pp. 758-759
DOI: 10.1126/science.311.5762.758b

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Summary

CAMBRIDGE, U.K.-- Researchers here say they have found the first physical properties of dark matter, the invisible stuff that makes up most of the substance of the universe. (Read more.)