• A MAssive Compact Halo Object (MACHO) is a kind of astronomical body that might explain the apparent presence of dark matter in galactic halos. A MACHO...
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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 (5,434 words) - 16:04, 9 November 2024
  • Thumbnail for Non-standard cosmology
    Solitary black holes, neutron stars, burnt-out dwarf stars, and other massive objects that are hard to detect are collectively known as MACHOs; some scientists...
    35 KB (4,546 words) - 16:38, 11 December 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
  • 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 (2,837 words) - 19:15, 17 July 2024
  • "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...
    2 KB (263 words) - 17:39, 24 November 2023
  • 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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  • dwarfs Microlensing Hypercompact stellar system Massive compact halo object (MACHOs) Weakly interacting massive particles (WIMPs) Moore, B., & Silk, J. 1995...
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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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  • Thumbnail for Dark matter
    particle would not stay bound to the gradually forming object – as the object began to form and compact, the dark matter particles within it would speed up...
    135 KB (14,760 words) - 11:52, 7 January 2025
  • 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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  • 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...
    165 KB (19,036 words) - 11:34, 5 January 2025
  • Halo is a military science fiction video game series and media franchise, originally developed and created by Bungie and currently managed and developed...
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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...
    30 KB (3,742 words) - 08:18, 3 December 2024
  • 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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  • Authorities MACE – (a) Multi-Agent Computing Environment MACHO – (p) MAssive Compact Halo Object MAD (a) Magnetic Anomaly Detector (s) Moroccan dirham (ISO 4217...
    47 KB (4,651 words) - 06:29, 11 December 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...
    106 KB (11,091 words) - 17:58, 9 January 2025
  • Thumbnail for Galaxy group
    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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  • Thumbnail for Physical cosmology
    weakly interacting massive particle, a gravitationally-interacting massive particle, an axion, and a massive compact halo object. Alternatives to the...
    77 KB (7,671 words) - 07:27, 19 December 2024
  • Thumbnail for Sombrero Galaxy
    initially thought the halo was small and light, indicative of a spiral galaxy; but the Spitzer Space Telescope found that the halo was significantly larger...
    30 KB (3,102 words) - 21:37, 5 December 2024
  • Halo: Combat Evolved Anniversary is a 2011 first-person shooter video game developed by 343 Industries, Saber Interactive, and Certain Affinity, and published...
    59 KB (5,108 words) - 16:10, 3 December 2024
  • 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 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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  • Thumbnail for Satellite galaxy
    diffuse compared to globular clusters, but are also enshrouded in massive dark matter halos that are thought to have been endowed to them during the formation...
    32 KB (4,490 words) - 12:49, 4 October 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...
    80 KB (5,958 words) - 02:42, 29 December 2024
  • 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)...
    52 KB (6,384 words) - 16:09, 27 December 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...
    14 KB (1,327 words) - 01:09, 28 October 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...
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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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  • Thumbnail for Andromeda Galaxy
    surrounded by a massive halo of hot gas that is estimated to contain half the mass of the stars in the galaxy. The nearly invisible halo stretches about...
    111 KB (10,901 words) - 14:06, 7 January 2025