light nuclei

См. также в других словарях:

• Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics — PAMELA is a bacronym for Payload for Antimatter Matter Exploration and Light nuclei Astrophysics .Launched on 15 June 2006, PAMELA is the first satellite dedicated to detecting cosmic rays and also antimatter from space, in the form of positrons… …   Wikipedia

• light — light1 lightful, adj. lightfully, adv. /luyt/, n., adj., lighter, lightest, v., lighted or lit, lighting. n. 1. something that makes things visible or affords illumination: All colors depend on light. 2. Physics …   Universalium

• nuclei pretectales — [TA] pretectal nuclei: various groups of nerve cells in the pretectal area which receive impulses chiefly from the optic tract; they project to the nucleus accessorius of the oculomotor nerve and constitute the midbrain center for the pupillary… …   Medical dictionary

• P-nuclei — (p stands for proton rich) are certain proton rich, naturally occurring isotopes of some elements between selenium and mercury which cannot be produced in either s or r process. Contents 1 Definition 2 Origin of the p nuclei …   Wikipedia

• Cloud condensation nuclei — Aerosol pollution over Northern India and Bangladesh NASA Cloud condensation nuclei or CCNs (also known as cloud seeds) are small particles typically 0.2 µm, or 1/100 th the size of a cloud droplet [1]) about which cloud droplets coalesce. Water… …   Wikipedia

• Pontine nuclei — Brain: Pontine nuclei Cross section through the lower pons showing the pontine nuclei (#22) and the pontocerebellar fibers emerging from them to become the middle cerebellar peduncle Latin nuclei pontis Gray s …   Wikipedia

• star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… …   Universalium

• chemical element — Introduction also called  element,         any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed.       This article considers the… …   Universalium

• atom — /at euhm/, n. 1. Physics. a. the smallest component of an element having the chemical properties of the element, consisting of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical… …   Universalium

• radioactivity — /ray dee oh ak tiv i tee/, n. Physics, Chem. the phenomenon, exhibited by and being a property of certain elements, of spontaneously emitting radiation resulting from changes in the nuclei of atoms of the element. Also called activity. [1895… …   Universalium

• Nuclear binding energy — is the energy required to split a nucleus of an atom into its component parts. The component parts are neutrons and protons, which are collectively called nucleons. If the binding energy for the products is higher when light nuclei fuse, or when… …   Wikipedia