Thread: What is the observational basis for (cold, non-baryonic) dark matter?
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Old 04-June-2006, 08:11 PM
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Tobin Dax Tobin Dax is offline
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Non-baryonic dark matter is needed due to, for instance, graviational lensing surveys show that baryonic MACHOs aren't numerous enough, and other studies finding that baryonic WIMPs aren't numerous enough to account for the necessary DM to agree with Ken G's list above.
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