The diffuse extragalactic background light (EBL) is all the accumulated radiation in the universe due to star formation processes, plus a contribution...
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left unanswered by COBE's results. A direct measurement of the extragalactic background light (EBL) can also provide important constraints on the integrated...
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Two-photon physics (redirect from Scattering of light by light)
a photon-photon interaction with a low energy background photon from the extragalactic background light resulting in either the creation of particle-antiparticle...
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Observable universe (redirect from Light horizon)
about 1.5×1053 kg. In November 2018, astronomers reported that extragalactic background light (EBL) amounted to 4×1084 photons. As the universe's expansion...
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cosmic infrared background and X-ray background. See also cosmic neutrino background and extragalactic background light. The Sunyaev–Zel'dovich effect shows...
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Zodiacal Light and Extragalactic Background Light through Panchromatic HST All-sky Surface-brightness Measurements: II. First Limits on Diffuse Light at 1...
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The diffuse extragalactic background radiation (DEBRA) refers to the photon field of extragalactic origin that fills our Universe. It contains photons...
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Zone of Avoidance (section Background)
location. Extragalactic background light Galactic plane Great Attractor Ferreira, Becky (3 November 2022). "Scientists Discover Huge 'Extragalactic Structure'...
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Gamma ray (section Light interaction)
to estimate the extragalactic background light in the universe: The highest-energy rays interact more readily with the background light photons and thus...
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the Hubble constant and matter content of the Universe using extragalactic background light γ-ray attenuation". The Astrophysical Journal. 885 (2) 137....
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(1991). "Olbers' paradox and the spectral intensity of the extragalactic background light". The Astrophysical Journal. 367: 399–406. Bibcode:1991ApJ....
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A. (1994), "The Inner Light-Month of the M87 Jet", in Zensus, J. Anton; Kellermann; Kenneth I. (eds.), Compact Extragalactic Radio Sources, Proceedings...
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night sky (Olbers' paradox) and the first speculations on an extragalactic background light dates back to the first half of the 19th century. Despite its...
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only in collisions with conductor walls. If one takes a suspension of non-light-absorbing particles of diameter d with a volume fraction Φ, the mean free...
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James Webb Space Telescope (redirect from JWST Advanced Deep Extragalactic Survey)
galaxies are 290 million light-years from Earth. SMACS J0723.3-7327 – a galaxy cluster at redshift 0.39, with distant background galaxies whose images are...
215 KB (19,979 words) - 11:23, 12 June 2025
Intergalactic star (category Extragalactic astronomy)
Toshiaki; et al. (7 November 2014). "On the origin of near-infrared extragalactic background light anisotropy". Science. 346 (6210): 732–735. arXiv:1411.1411....
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Counter). The Solar interplanetary dust cloud obscures the extragalactic background light, making observations of it from the Inner Solar System very...
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Milky Way (redirect from Milky Way (band of light))
surface brightness. Its visibility can be greatly reduced by background light, such as light pollution or moonlight. The sky needs to be darker than about...
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limitation Explanation-based learning, a form of machine learning Extragalactic background light, all the accumulated radiation in the universe Energa Basket...
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The cosmic microwave background (CMB, CMBR), or relic radiation, is microwave radiation that fills all space in the observable universe. With a standard...
108 KB (13,202 words) - 17:04, 10 June 2025
BICEP (Background Imaging of Cosmic Extragalactic Polarization) and the Keck Array are a series of cosmic microwave background (CMB) experiments. They...
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1071/AS03040. S2CID 13068122. Loeb, A. (2002). "The Long-Term Future of Extragalactic Astronomy". Physical Review D. 65 (4): 047301. arXiv:astro-ph/0107568...
67 KB (7,979 words) - 03:53, 25 May 2025
BOOMERanG experiment (redirect from Balloon Observations Of Millimetric Extragalactic Radiation and Geophysics)
BOOMERanG experiment (Balloon Observations Of Millimetric Extragalactic Radiation And Geophysics) was an experiment that flew a telescope on a (high-altitude)...
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According to Ian Steer of the NASA/IPAC Extragalactic Database of Galaxy Distances, "Lundmark's extragalactic distance estimates were far more accurate...
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Black hole x-ray transient also BHXT BICEP2 – (telescope) Background Imaging of Cosmic Extragalactic Polarization 2 BIMA – (organization & telescope)...
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astronomer. He played a crucial role in establishing the fields of extragalactic astronomy and observational cosmology. Hubble proved that many objects...
50 KB (5,132 words) - 01:35, 3 June 2025
the cosmic microwave background is 1834 ± 7 km/s, which corresponds to a Hubble distance of 27.05 ± 1.90 Mpc (~88.2 million light-years). However, 11 non...
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attenuation of astrophysical sources due to interactions with the extragalactic background light (EBL). HAWC will enable multiple sources to be observed in various...
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Redshift (redirect from Red shift light)
visible light perceived as radio waves. The initial heat from the Big Bang has redshifted far down to become the cosmic microwave background. Subtler...
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CMB cold spot (redirect from Cosmic microwave background cold spot)
NQ2-NQ4 GRB overdensity at 10 billion light years. Wright, E.L. (2004). "Theoretical Overview of Cosmic Microwave Background Anisotropy". In W. L. Freedman (ed...
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