Cosmic rays or astroparticles are high-energy particles or clusters of particles (primarily represented by protons or atomic nuclei) that move through...
96 KB (10,537 words) - 12:42, 14 August 2024
In astroparticle physics, an ultra-high-energy cosmic ray (UHECR) is a cosmic ray with an energy greater than 1 EeV (1018 electronvolts, approximately...
26 KB (3,105 words) - 13:44, 23 July 2024
A cosmic-ray observatory is a scientific installation built to detect high-energy-particles coming from space called cosmic rays. This typically includes...
14 KB (1,474 words) - 04:13, 17 August 2024
Cosmic ray spallation, also known as the x-process, is a set of naturally occurring nuclear reactions causing nucleosynthesis; it refers to the formation...
9 KB (1,071 words) - 13:24, 14 August 2024
Extragalactic cosmic rays are very-high-energy particles that flow into the Solar System from beyond the Milky Way galaxy. While at low energies, the...
34 KB (4,016 words) - 03:57, 13 January 2024
Cosmic ray visual phenomena, or light flashes (LF), also known as Astronaut's Eye, are spontaneous flashes of light visually perceived by some astronauts...
23 KB (2,802 words) - 13:16, 11 April 2024
Greisen–Zatsepin–Kuzmin limit (redirect from Cosmic ray paradox)
(GZK limit or GZK cutoff) is a theoretical upper limit on the energy of cosmic ray protons traveling from other galaxies through the intergalactic medium...
19 KB (2,559 words) - 13:19, 17 August 2024
Positron (section Observation in cosmic rays)
in primary cosmic rays, amounting to less than 1% of the particles in primary cosmic rays. However, the fraction of positrons in cosmic rays has been measured...
34 KB (3,756 words) - 20:09, 3 August 2024
Health threats from cosmic rays are the dangers posed by cosmic rays to astronauts on interplanetary missions or any missions that venture through the...
54 KB (6,432 words) - 17:32, 18 July 2024
interactions with cosmic ray particles. Natural terrestrial sources that produce gamma rays include lightning strikes and terrestrial gamma-ray flashes, which...
60 KB (7,398 words) - 04:13, 21 August 2024