Glossary term: Espectro visible
Description: Es la región del espectro electromagnético que es visible por el ojo humano. Comprende las longitudes de onda comprendidas entre 380 y 750 nanómetros. En este rango de luz, de menor a mayor longitud de onda, encontramos: luz violeta, añil, azul, verde, amarilla, naranja y roja, dispuestas de forma continua. Estos son los colores del arco iris que se producen de forma natural, cuándo la luz del Sol se descompone al refractarse dentro de pequeñas gotas de agua.
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Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher The translation of this term and its definition is still awaiting approval
The OAE Multilingual Glossary is a project of the IAU Office of Astronomy for Education (OAE) in collaboration with the IAU Office of Astronomy Outreach (OAO). The terms and definitions were chosen, written and reviewed by a collective effort from the OAE, the OAE Centers and Nodes, the OAE National Astronomy Education Coordinators (NAECs) and other volunteers. You can find a full list of credits here. All glossary terms and their definitions are released under a Creative Commons CC BY-4.0 license and should be credited to "IAU OAE".
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In Other Languages
- Árabe: الطيف المرئي
- Alemán: Sichtbares Spektrum
- Inglés: Visible Spectrum
- Francés: Spectre visible
- Italiano: Spettro visibile
- Chino simplificado: 可见光谱
- Chino tradicional: 可見光譜
Related Media
The Pillars of Creation in comparison
Caption: The 'Pillars of Creation' are a renowned astronomical feature situated within the Eagle Nebula in the Serpens constellation. The illustration provides a direct comparison between images captured by the Hubble Space Telescope (HST) and the James Webb Space Telescope (JWST), showcasing the pillars, which span several light years in diameter, in both visible light (also known as optical light) and infrared light. On the left are the pillars as seen by Hubble in visual light, taken in 2014. It displays dark pillars against an opaque background, with only a handful of visible stars. Conversely, the counterpart on the right is Webb’s near-infrared view published in 2022, penetrating the dust and revealing numerous stars of varying sizes.
Their distance from Earth is approximately 6,500 to 7,000 light years. Within these pillars, new stars are constantly forming, making them a subject of extensive study by astronomers. Composed mostly of cool molecular hydrogen and small amounts of interstellar dust, they are subject to erosion by the intense ultraviolet radiation emitted by nearby massive and newborn stars, a process known as photoevaporation.
Credit: NASA, ESA, CSA, STScI
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