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Updated: Jul 12, 2026

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Measurement of Aerosols Optical Thickness of the Atmosphere using the GLOBE Handheld Sun Photometer
Published on: May 29, 2019
Observaciones de un probable cambio en el radio solar entre 1715 y 1979
Resumen
Las observaciones históricas de eclipses solares revelan un hallazgo significativo: el radio del Sol se ha contraído en 264 años. Esta contracción solar se midió utilizando datos astronómicos precisos de eclipses pasados.
Área de la Ciencia:
- La astronomía y la astrofísica.
- Física solar Física solar es la física de la energía solar.
Sus antecedentes:
- Comprender las propiedades físicas del Sol es crucial para la dinámica del sistema solar.
- Los registros históricos de eclipses solares proporcionan datos únicos para estudios de cambio solar a largo plazo.
Objetivo del estudio:
- Analizar las observaciones históricas de eclipses solares para determinar los cambios en el radio solar a lo largo del tiempo.
- Para cuantificar la velocidad de contracción del radio solar basado en datos de observación.
Principales métodos:
- Las observaciones se hicieron cerca de los bordes de la trayectoria de la totalidad durante los eclipses solares.
- Se analizaron los datos de los eclipses solares en Inglaterra (1715), Australia (1976) y América del Norte (1979).
- El radio solar fue calculado y comparado a través de diferentes observaciones históricas.
Principales resultados:
- El análisis indica una contracción del radio solar.
- La contracción del radio solar medida es de 0,34 +/- 0,2 segundos de arco.
- Esta contracción se produjo durante un período de 264 años.
Conclusiones:
- El radio del Sol ha disminuido de manera demostrable en los últimos 264 años.
- Los datos históricos de eclipses solares son una herramienta valiosa para estudiar la evolución solar.
- Se necesita más investigación para comprender los mecanismos que impulsan esta contracción solar.
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