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Chronology of the universe (redirect from Planck era)ionized particles. As a result, the universe was opaque or "foggy". Although there was light, it was not possible to see, nor can we observe that light through...138 KB (13,964 words) - 14:38, 4 September 2024
Aurora (redirect from Auroral light)percentage of oxygen and lower particle densities, such collisions are rare enough to allow time for oxygen to emit red light. Collisions become more frequent...117 KB (13,068 words) - 07:45, 31 August 2024
Neutrino (redirect from Ν particle)distinguish this light neutral particle from Chadwick's heavy neutron. In Fermi's theory of beta decay, Chadwick's large neutral particle could decay to...141 KB (14,034 words) - 01:15, 22 August 2024
outdoors for weeks at a time. Aerosolized biological particles fluoresce and scatter light under a UV light beam. Observed fluorescence is dependent on the...167 KB (18,381 words) - 20:51, 15 September 2024- Rutherford scattering experiments (redirect from Alpha particle scattering)measure the trajectories of the particles. Each impact of an alpha particle on the screen produced a tiny flash of light. Geiger worked in a darkened lab...85 KB (10,885 words) - 19:49, 15 September 2024
- has a finite age. Light, and other particles, can have propagated only a finite distance. The comoving distance that such particles can have covered over...53 KB (6,980 words) - 16:28, 21 August 2024
Electron (redirect from Beta minus particle)elementary particles, electrons exhibit properties of both particles and waves: They can collide with other particles and can be diffracted like light. The...153 KB (15,429 words) - 15:26, 14 September 2024- radiation-dominated era (photons and neutrinos), with a photon temperature 2.7 million Kelvins. Standard physical cosmology gives the particle horizon size as...135 KB (14,702 words) - 15:45, 13 September 2024
- Future of an expanding universe (redirect from Degenerate Era)tunneling should make the light nuclei in stellar-mass objects fuse into iron-56 nuclei (see isotopes of iron). Fission and alpha particle emission should make...52 KB (5,647 words) - 14:27, 4 September 2024
- and its interactions with energy on the scale of atomic and subatomic particles. By contrast, classical physics explains matter and energy only on a scale...66 KB (7,480 words) - 16:28, 10 September 2024
other's respective particle horizons. In accepted relativistic physical theories, no information can travel faster than the speed of light. In this context...13 KB (1,817 words) - 16:15, 21 August 2024
In plasma physics, the particle-in-cell (PIC) method refers to a technique used to solve a certain class of partial differential equations. In this method...29 KB (3,389 words) - 01:16, 4 September 2024- electromagnetic radiation and high-energy particles into the universe as far as the solar system, eight light-years away. Around the world, the chromosomes...6 KB (695 words) - 05:05, 19 July 2024
- Gravitino (category Hypothetical elementary particles)that enough such energetic particles will be created in the decay as to destroy almost all the nuclei created in the era of nucleosynthesis, in contrast...9 KB (1,002 words) - 17:12, 14 April 2024
- Spin (physics) (redirect from Particle spin)intrinsic form of angular momentum carried by elementary particles, and thus by composite particles such as hadrons, atomic nuclei, and atoms.: 183–184 Spin...72 KB (10,551 words) - 06:46, 30 July 2024
HEPA (redirect from High efficiency air particle filter)97% (ASME, U.S. DOE) of particles whose diameter is equal to 0.3 μm, with the filtration efficiency increasing for particle diameters both less than...36 KB (3,753 words) - 12:57, 5 September 2024- three-dimensional space at the speed of light, a single sophon is capable of disrupting all of Earth's particle accelerators. Trisolaran space probes are...22 KB (2,296 words) - 19:13, 28 August 2024
- This is a timeline of subatomic particle discoveries, including all particles thus far discovered which appear to be elementary (that is, indivisible)...20 KB (1,359 words) - 01:47, 21 January 2024
Hadron-Elektron-Ringanlage, English: Hadron–Electron Ring Accelerator) was a particle accelerator at DESY in Hamburg. It was operated from 1992 to 30 June 2007...11 KB (1,275 words) - 12:04, 3 July 2024
- had been imagined that certain material particles are set vibrating by incident waves of light. These particles had been supposed to be acted on by an
- Cosmological observations have entered the era of precision, unlocking its tremendous power as a particle physics laboratory, aiding our search for physics
- {\displaystyle \alpha } -particles? There is no microscope that would be able to discern them. From the very beginning of the sub-atomic era, scientists have