• A MAssive Compact Halo Object (MACHO) is a kind of astronomical body that might explain the apparent presence of dark matter in galaxy halos. A MACHO is...
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  • of the main candidates for cold dark matter, the others being massive compact halo objects (MACHOs) and axions. These names were deliberately chosen for...
    45 KB (5,471 words) - 05:18, 9 June 2024
  • Thumbnail for Non-standard cosmology
    Solitary black holes, neutron stars, burnt-out dwarfs, and other massive objects that that are hard to detect are collectively known as MACHOs; some...
    34 KB (4,543 words) - 01:49, 4 May 2024
  • Thumbnail for Dark matter halo
    matter (CDM), warm dark matter, and massive compact halo objects (MACHOs). The presence of dark matter (DM) in the halo is inferred from its gravitational...
    22 KB (2,834 words) - 19:08, 10 April 2024
  • series Massive compact halo objects, or MACHOs, a kind of astronomical body that might explain the apparent presence of dark matter in galaxy halos Ferenc...
    503 bytes (97 words) - 17:38, 24 November 2023
  • "Macho" or "El Macho" Massive compact halo object (MACHO), a hypothesised astronomical body to explain the dark matter in galaxy halos MACHO Project, an observational...
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  • dwarfs Microlensing Hypercompact stellar system Massive compact halo object (MACHOs) Weakly interacting massive particles (WIMPs) Moore, B., & Silk, J. 1995...
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  • particles with strong self-interactions Massive compact halo object – Hypothetical form of dark matter in galactic halos Wandelt, Benjamin D; Dave, Romeel;...
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  • Thumbnail for Gravitational microlensing
    faint or dark objects such as brown dwarfs, red dwarfs, planets, white dwarfs, neutron stars, black holes, and massive compact halo objects. Such lensing...
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  • done to detect MACHOs (MAssive Compact Halo Objects). Null results of this experiment exclude any dark matter candidate more massive than about a solar mass...
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  • Thumbnail for Dark matter
    do that – it resides only in diffuse halos ... As a result, it is extremely unlikely there are very dense objects like stars made out of entirely (or even...
    139 KB (15,089 words) - 06:38, 16 June 2024
  • Thumbnail for Light dark matter
    lighter than the traditional forms of cold dark matter, such as Massive Compact Halo Objects (MACHOs). The Lee-Weinberg bound limits the mass of the favored...
    14 KB (1,651 words) - 04:27, 12 February 2024
  • Thumbnail for Astronomical object
    An astronomical object, celestial object, stellar object or heavenly body is a naturally occurring physical entity, association, or structure that exists...
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  • matter around our Milky Way galaxy in the form of hypothetical Massive Compact Halo Objects (MACHOs), using the method of gravitational microlensing. It...
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  • which are the low-mass counterparts of WIMPs. Massive compact halo objects (MACHOs), large, condensed objects such as black holes, neutron stars, white dwarfs...
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  • Earth. Massive compact halo object (MACHO) A kind of astronomical body that might explain the apparent presence of dark matter in galaxy halos. A MACHO...
    160 KB (18,369 words) - 05:03, 12 May 2024
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    of compact groups of galaxies". Astrophysical Journal, Part 1. 255: 382–391. Bibcode:1982ApJ...255..382H. doi:10.1086/159838. Dependency of halo concentration...
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  • Halo: Combat Evolved Anniversary is a 2011 first-person shooter video game developed by 343 Industries, Saber Interactive, and Certain Affinity. It is...
    59 KB (5,096 words) - 23:35, 1 June 2024
  • Authorities MACE – (a) Multi-Agent Computing Environment MACHO – (p) MAssive Compact Halo Object MAD (a) Magnetic Anomaly Detector (s) Moroccan dirham (ISO 4217...
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  • Thumbnail for Illustris project
    formation model in a larger cosmological volume to explore the massive end of the halo mass function for detailed cosmological probe forecasts. TNG-Cluster:...
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  • ; Escorza, A.; Fabry, M. (2022-04-01). "Planet Hunters TESS IV: a massive, compact hierarchical triple star system TIC 470710327". Monthly Notices of...
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  • Halo is a military science fiction media franchise, originally developed and created by Bungie and currently managed and developed by 343 Industries, part...
    151 KB (12,814 words) - 23:23, 16 June 2024
  • Thumbnail for Physical cosmology
    weakly interacting massive particle, a gravitationally-interacting massive particle, an axion, and a massive compact halo object. Alternatives to the...
    75 KB (7,591 words) - 19:40, 12 June 2024
  • Thumbnail for Supermassive black hole
    onto a massive compact object would explain the properties of quasars. It would require a mass of around 108 M☉ to match the output of these objects. Donald...
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  • Thumbnail for Hubble Deep Field
    was that dark matter might consist of Massive Astrophysical Compact Halo Objects (MACHOs)—faint but massive objects such as red dwarfs and planets in the...
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  • Thumbnail for Primordial black hole
    center of massive galaxies, as well as of intermediate-mass black holes. Primordial black holes belong to the class of massive compact halo objects (MACHOs)...
    51 KB (6,212 words) - 16:54, 15 June 2024
  • Thumbnail for List of most massive black holes
    Bernd; Walsh, Jonelle L.; Gebhardt, Karl (2016-02-11). "The massive dark halo of the compact early-type galaxy NGC 1281". Monthly Notices of the Royal Astronomical...
    76 KB (5,741 words) - 13:31, 13 June 2024
  • Thumbnail for Katherine Freese
    work decisively ruled out MACHO (Massive compact halo object) dark matter in favor of WIMPs (weakly interacting massive particles). She has proposed a model...
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  • particularly in gas clouds 2000 Charles R. Alcock — search for massive compact halo objects 2002 Geoffrey Marcy, R. Paul Butler, Steven S. Vogt — ultra-high-resolution...
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  • Thumbnail for Spiral galaxy
    Spiral galaxy (redirect from Halo star)
    of stars known as the bulge. These are often surrounded by a much fainter halo of stars, many of which reside in globular clusters. Spiral galaxies are...
    30 KB (3,594 words) - 01:52, 13 June 2024