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* In chemistry and physics, the nucleus ( atomic nucleus) is the collection of protons and neutrons in the center of an atom that carries the bulk of the atom's mass and positive charge. - In cell biology, the nucleus (cell nucleus) is the membrane-bound subcellular organelle found in eukaryotes, visible via microscopy, which contains, primarily, the cell's chromosomes.
- In neuroanatomy, a nucleus is a central nervous systemThe human central nervous system consists of the brain and spinal cord. These lie in the midline of the body and are associated with the skull and vertebrae respectively. see Nervous System) The central nervous system along with the peripheral nervous sys structure that is composed mainly of gray matter and mediates electrical signaling within a particular subsystem.
- In cometHalley's Comet nucleus sunlit from the left. A comet is a relatively small astronomical object similar to an asteroid but composed largely of ice. In Earth's solar system, the orbits of comets may extend past that of Pluto; of the comets which enter the is, a nucleus (comet nucleus) is the solid core of a cometHalley's Comet nucleus sunlit from the left. A comet is a relatively small astronomical object similar to an asteroid but composed largely of ice. In Earth's solar system, the orbits of comets may extend past that of Pluto; of the comets which enter the i.
- In astronomyAstronomy which etymologically means " law of the stars," (from Greek: + nomos) is a science involving the observation and explanation of events occurring outside Earth and its atmosphere. It studies the origins, evolution, physical and chemical propertie, a nucleus (galaxy nucleus) is the central region of a galaxy.
- In meteorologyMeteorology is the scientific study of the atmosphere that focuses on weather processes and forecasting. Meteorological phenomena are observable weather events which illuminate and are explained by the science of meteorology. Those events are bound by the, a nucleusIce nuclei are particles that act as nuclei for the formation of ice crystals in the atmosphere. External link . (ice nucleus) is the center of an ice crystal.
- In meteorologyMeteorology is the scientific study of the atmosphere that focuses on weather processes and forecasting. Meteorological phenomena are observable weather events which illuminate and are explained by the science of meteorology. Those events are bound by the, a nucleus (cloud condensation nuclei) is the basis for the development of a cloud droplet.
- In linguistics, the nucleus is the center part of a syllable, most often a vowel.
- In computing, the nuclues refers to an Operating system and is a type of operating system itself( Nucleus RTOS).
Etymology
"Nucleus" comes from the Latin for center or core.
Disambiguation
