Research News

Astronomy: Is the Dark Matter Mystery Solved?

Science  02 Feb 1996:
Vol. 271, Issue 5249, pp. 595
DOI: 10.1126/science.271.5249.595

Summary

San Antonio—A widely reported press conference at last month's meeting of the American Astronomical Society left the impression that the long-standing mystery of the identity of the universe's “dark matter” had been solved. At the meeting a multi-institutional team reported that it might consist of the ordinary matter contained in MACHOs, massive compact halo objects, rather than the exotic particles some theorists favor. But as even those team members concede, the number of MACHO sightings they've now made is still too small to come to a firm conclusion about whether they can account for all dark matter.

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