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She deftly explains why physicists are hunting for weakly interacting massive particles, or WIMPs, rather than massive compact halo objects, or MACHOs (a true physics underdog story).
Astronomers have been monitoring the LMC to hunt for evidence of massive compact halo objects, or MACHOs.
Later came a competing hypothesis that the dark matter consists of large bodies of normal cold matter, called MAssive Compact Halo Objects, or MACHOs.
Astronomers report evidence of Massive Compact Halo Objects at the outskirts of the Milky Way (9/25/93, p.
He introduces readers to this search, defining what scientists know about the nature of dark matter and introducing candidate hiding places known as massive compact halo objects (MACHOs).
Most are as exotic as the names their inventors have given them: massive compact halo objects (MACHOs), weakly interacting massive particles (WIMPs), axions, neutralinos, and wimpzillas.
In analyzing the first 2 years' worth of data from their continuing search, the researchers found seven lensing events that they ascribe to assemblages of dark matter known as Massive Compact Halo Objects (MACHOs).

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