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1. Cosmic background radiation: Cosmic background radiation is electromagnetic radiation that fills all space. The origin of this radiation depends on the region of the spectrum that is observed. (Astronomy) [100%] 2023-09-19 [Cosmic background radiation] [Observational astronomy]...
2. Cosmic microwave background radiation: In cosmology, the cosmic microwave background radiation CMB (also CMBR, CBR, MBR, and relic radiation) is a form of electromagnetic radiation filling the universe. In simple terms, when looking at the sky with a radio telescope, the space between the ... [86%] 2023-02-04
3. Discovery of cosmic microwave background radiation: The discovery of cosmic microwave background radiation constitutes a major development in modern physical cosmology. In 1964, United States physicist Arno Allan Penzias and radio-astronomer Robert Woodrow Wilson discovered the CMB, estimating its temperature as 3.5 K, as ... (Astronomy) [70%] 2023-10-30 [Radio astronomy] [Physical cosmology]...

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1. Background radiation: Background radiation is a measure of the level of ionizing radiation present in the environment at a particular location which is not due to deliberate introduction of radiation sources. Background radiation originates from a variety of sources, both natural and ... (Physics) [83%] 2023-11-19 [Cosmic rays] [Ionizing radiation]...
2. Background radiation: Background radiation is the small dose of ionizing radiation that everyone receives from natural radioactive elements present in the environment and from various human activity. The average annual dose of background radiation is about 3 mSv, but varies a lot ... [83%] 2023-02-14
3. Background radiation: Background radiation is the radiation of man's natural environment originating primarily from the naturally radioactive elements of the earth and from the cosmic rays. The term may also mean radiation extraneous to an experiment. [83%] 2023-03-17
4. Background radiation: Background radiation is a measure of the level of ionizing radiation present in the environment at a particular location which is not due to deliberate introduction of radiation sources. Background radiation originates from a variety of sources, both natural and ... (Measure of ionizing radiation in the environment) [83%] 2023-12-12 [Background radiation] [Cosmic rays]...
5. Cosmic microwave background: Cosmic microwave background (CMB) radiation describes the electromagnetic waves that propagate through our entire universe. The usual explanation of the CMB radiation trotted out by atheistic scientists is that it is left-over radiation from the Big Bang, namely the ... [67%] 2023-02-21 [Physics] [Astronomy]...
6. Cosmic Background Explorer: The Cosmic Background Explorer (COBE /ˈkoʊbi/ KOH-bee), also referred to as Explorer 66, was a NASA satellite dedicated to cosmology, which operated from 1989 to 1993. Its goals were to investigate the cosmic microwave background radiation (CMB or CMBR ... (Astronomy) [67%] 2023-12-05 [Satellites orbiting Earth] [Cosmic microwave background experiments]...
7. Cosmic infrared background: Cosmic infrared background is infrared radiation caused by stellar dust. Recognizing the cosmological importance of the darkness of the night sky (Olbers' paradox) and the first speculations on an extragalactic background light dates back to the first half of the ... (Astronomy) [67%] 2023-11-08 [Observational astronomy] [Physical cosmology]...
8. Cosmic background explorer: The COsmic Background Explorer (COBE) was a NASA space mission designed to test the Big Bang theory of the origin of the universe by measuring the spectrum the cosmic microwave background radiation (CMB) and mapping its distribution across the sky ... [67%] 2021-12-24 [Astrophysics] [Cosmology]...
9. Cosmic microwave background: The cosmic microwave background (CMB) is black-body radiation that is often referred to as leftover radiation from the big bang, though it was scattered or emitted several hundred thousand years after the big bang. The spectrum is consistent with ... [67%] 2023-06-22
10. Cosmic Background Imager: The Cosmic Background Imager (or CBI) was a 13-element interferometer perched at an elevation of 5,080 metres (16,700 feet) at Llano de Chajnantor Observatory in the Chile an Andes. It started operations in 1999 to study the ... (Astronomy) [67%] 2023-04-14 [Radio telescopes] [Interferometric telescopes]...
11. Cosmic microwave background: The cosmic microwave background (CMB, CMBR) is microwave radiation that fills all space in the observable universe. It is a remnant that provides an important source of data on the primordial universe. (Astronomy) [67%] 2023-12-12 [Radio astronomy] [Physical cosmology]...
12. Cosmic microwave background: The cosmic microwave background (CMB or CMBR) is microwave radiation that fills all space in the observable universe. It is a remnant that provides an important source of data on the primordial universe. (Trace radiation from the early universe) [67%] 2024-04-04 [Astronomical radio sources] [Astrophysics]...
13. Cosmic infrared background: Cosmic infrared background is infrared radiation caused by stellar dust. Recognizing the cosmological importance of the darkness of the night sky (Olbers' paradox) and the first speculations on an extragalactic background light dates back to the first half of the ... (Infrared radiation caused by stellar dust) [67%] 2024-07-14 [Observational astronomy] [Physical cosmology]...
14. Cosmic Background Explorer: The Cosmic Background Explorer (COBE /ˈkoʊbi/ KOH-bee), also referred to as Explorer 66, was a NASA satellite dedicated to cosmology, which operated from 1989 to 1993. Its goals were to investigate the cosmic microwave background radiation (CMB or CMBR ... (NASA satellite of the Explorer program) [67%] 2024-07-27 [Satellites orbiting Earth] [Cosmic microwave background experiments]...
15. Cosmic Background Imager: Cet article est une ébauche concernant l’astronomie. Vous pouvez partager vos connaissances en l’améliorant (comment ?) selon les recommandations des projets correspondants. [67%] 2025-01-13
16. Cosmic neutrino background: The cosmic neutrino background (CNB or CνB) is the universe's background particle radiation composed of neutrinos. They are sometimes known as relic neutrinos. (Astronomy) [67%] 2025-03-07 [Physical cosmology] [Cosmic background radiation]...
17. Cosmic Radiation Satellite: The Cosmic Radiation Satellite (CORSA) was a Japanese space telescope. It was supposed to be Japan's first X-ray astronomy satellite but was lost due to failure of its Mu-3 launch vehicle. (Astronomy) [63%] 2023-03-04 [Space telescopes]