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macho |
Also found in: Dictionary/thesaurus, Acronyms, Wikipedia, Hutchinson | 0.04 sec. |
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macho [′mä·chō] (astronomy) A massive object in the halo of the Milky Way Galaxy, detected by the effects of gravitational lensing; such objects are hypothesized to account for the dark matter in the universe. Derived from massive compact halo object. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The energy in Puerto Rico is boundless: machos on horses hug the curbs as drivers careen around one-lane mountain roads at midnight, world-class musicians supercharge the dance floor, and road workers hack endlessly at the engulfing rainforest with machetes. However, they also know that MACHOs alone wouldn't account for all dark matter, so some researchers have nominated neutrinos, other exotic particles, and even more-bizarre, extra-dimensional strings as dark matter candidates. Young readers will, by using Max's handy notes, understand the clues about dark matter's identity, along with WIMPS, MACHOs, gravity, and so much more |
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