• 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...
    53 KB (5,675 words) - 23:11, 22 April 2024
  • Thumbnail for 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...
    5 KB (514 words) - 00:56, 11 January 2024
  • Thumbnail for 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...
    104 KB (12,487 words) - 00:09, 22 May 2024
  • Ionizing radiation (US) (or ionising radiation [UK]), including nuclear radiation, consists of subatomic particles or electromagnetic waves that have sufficient...
    60 KB (6,551 words) - 00:51, 15 May 2024
  • Thumbnail for Low-background steel
    testing, background radiation has decreased to very near natural levels, making special low-background steel no longer necessary for most radiation-sensitive...
    6 KB (586 words) - 08:14, 14 May 2024
  • extinction rate Background independence, a condition in theoretical physics Background noise Background radiation, the natural radiation that is always...
    2 KB (209 words) - 09:19, 18 September 2023
  • Thumbnail for Cosmic Background Explorer
    1989 to 1993. Its goals were to investigate the cosmic microwave background radiation (CMB or CMBR) of the universe and provide measurements that would...
    34 KB (4,023 words) - 18:16, 1 January 2024
  • The discovery of cosmic microwave background radiation constitutes a major development in modern physical cosmology. In 1964, US physicist Arno Allan Penzias...
    14 KB (1,506 words) - 22:24, 20 May 2024
  • Thumbnail for Radiation
    particle radiation consists of particles of non-zero rest energy, such as alpha radiation (α), beta radiation (β), proton radiation and neutron radiation acoustic...
    47 KB (6,126 words) - 20:17, 11 April 2024
  • Cosmic background may refer to: Cosmic microwave background radiation (CMB) Cosmic neutrino background (CνB) Cosmic gravitational wave background (GWB)...
    636 bytes (85 words) - 02:41, 28 May 2021