Search research articles

ACERCA DE JoVE

Visión General Liderazgo Blog Centro de Ayuda JoVE

AUTORES

Proceso de Publicación Consejo Editorial Alcance y Políticas Revisión por Pares Preguntas Frecuentes Enviar

BIBLIOTECARIOS

Testimonios Suscripciones Acceso Recursos Consejo Asesor de Bibliotecas Preguntas Frecuentes

INVESTIGACIÓN

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archivo

EDUCACIÓN

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Centro de Recursos para Profesores Sitio de Profesores

Términos y Condiciones de Uso

Política de Privacidad

Videos de Conceptos Relacionados

Ultraviolet and Visible (UV–Vis) Spectroscopy: Overview

Ultraviolet and Visible (UV–Vis) Spectroscopy: Overview

Ultraviolet–visible (UV–visible or UV–Vis) spectroscopy is an analytical technique that investigates the interaction between matter and UV–Vis light within the electromagnetic spectrum. This method is widely used for its versatility, simplicity, and relatively quick data acquisition, making it valuable for both qualitative and quantitative analysis. When UV–Vis radiation passes through a material, molecules absorb light depending on the energy required for electronic transitions. As a result...

Atomic Emission Spectroscopy: Interference

Atomic Emission Spectroscopy: Interference

In atomic emission spectroscopy (AES), high-temperature atomizers excite a broad range of elements and molecules that generate complex emissions from sources such as oxides, hydroxides, and flame combustion products in the flame or plasma. Several strategies can be employed to minimize spectral interferences caused by overlapping emission lines or bands. These include increasing instrument resolution, choosing alternative emission lines, optimally placing the detector in low-background regions,...

Atomic Emission Spectroscopy: Overview

Atomic Emission Spectroscopy: Overview

Atomic emission spectroscopy (AES) is an analytical technique used to determine the elemental composition of a sample by analyzing the light emitted from excited atoms. In AES, atoms in a sample are excited to higher energy levels by thermal energy from high-temperature sources, such as plasma, arcs, or sparks. When these excited atoms return to lower energy states, they emit light at specific wavelengths characteristic of each element. The resulting atomic emission spectrum, which consists of...

Emission Spectra

Emission Spectra

When solids, liquids, or condensed gases are heated sufficiently, they radiate some of the excess energy as light. Photons produced in this manner have a range of energies, and thereby produce a continuous spectrum in which an unbroken series of wavelengths is present.

Infrared (IR) Spectroscopy: Overview

Infrared (IR) Spectroscopy: Overview

When electromagnetic radiation passes through a material, atoms or molecules transition from a lower to a higher energy state by absorbing radiation corresponding to the energy difference between the two states. The absorption of infrared (IR) radiation causes transitions between vibrational energy levels in a molecule. Therefore, IR spectroscopy is a useful analytical tool for determining the molecular structure of molecules.
Different compounds display unique properties due to their...

Atomic Emission Spectroscopy: Lab

Atomic Emission Spectroscopy: Lab

AES is a powerful analytical technique, especially effective when used with plasma sources, producing abundant spectra in characteristic emission lines. The Inductively Coupled Plasma (ICP), in particular, yields superior quantitative analytical data due to its high stability, low noise, low background, and minimal interferences under optimal experimental conditions. However, newer air-operated microwave sources are emerging as promising alternatives that could be more cost-effective than...

También podría leer

Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

Ordenar por

Same author

The origins of patchy aurora at Jupiter.

Nature communications·2026

Same author

In situ and remote observations of the ultraviolet footprint of the moon Callisto by the Juno spacecraft.

Nature communications·2025

Same author

Juno Observations of Jupiter's Magnetodisk Plasma: Implications for Equilibrium and Dynamics.

Journal of geophysical research. Space physics·2024

Same author

Fast boulder fracturing by thermal fatigue detected on stony asteroids.

Nature communications·2024

Same author

Oxygen production from dissociation of Europa's water-ice surface.

Nature astronomy·2024

Same author

The Dimorphos ejecta plume properties revealed by LICIACube.

Nature·2024

Search research articles

Video Experimental Relacionado

Updated: Jul 10, 2026

Bringing the Visible Universe into Focus with Robo-AO

Bringing the Visible Universe into Focus with Robo-AO

Published on: February 12, 2013

La respuesta atmosférica de Io al eclipse: observaciones de auroras UV.

K D Retherford¹, J R Spencer, S A Stern

¹Southwest Research Institute, San Antonio, TX 78228, USA. KRetherford@swri.edu

Science (New York, N.Y.)

|October 13, 2007

Resumen

El brillo y la morfología aurorales de la luna de Júpiter, Io, se estudiaron utilizando la nave espacial New Horizons. Los volcanes contribuyen del 1 al 3% de la atmósfera diurna de Io, influyendo en su interacción con la magnetosfera de Júpiter.

Más Videos Relacionados

Surface Mapping of Earth-like Exoplanets using Single Point Light Curves

Surface Mapping of Earth-like Exoplanets using Single Point Light Curves

Published on: May 10, 2020

Simulating Imaging of Large Scale Radio Arrays on the Lunar Surface

Simulating Imaging of Large Scale Radio Arrays on the Lunar Surface

Published on: July 30, 2020

Videos de Experimentos Relacionados

Last Updated: Jul 10, 2026

Bringing the Visible Universe into Focus with Robo-AO

Bringing the Visible Universe into Focus with Robo-AO

Published on: February 12, 2013

Surface Mapping of Earth-like Exoplanets using Single Point Light Curves

Surface Mapping of Earth-like Exoplanets using Single Point Light Curves

Published on: May 10, 2020

Simulating Imaging of Large Scale Radio Arrays on the Lunar Surface

Simulating Imaging of Large Scale Radio Arrays on the Lunar Surface

Published on: July 30, 2020

Área de la Ciencia:

Ciencias planetarias Ciencias planetarias.
Física del espacio Física del espacio
La astrofísica es la astrofísica.

Sus antecedentes:

Io, la luna volcánica de Júpiter, posee una tenue atmósfera e interactúa dinámicamente con la magnetosfera de Júpiter.
Las emisiones aurorales en Io proporcionan información sobre la composición atmosférica y las interacciones magnetosféricas.

Objetivo del estudio:

Investigar las contribuciones relativas de la actividad volcánica y la sublimación a la atmósfera de Io.
Para analizar las emisiones aurorales de Io durante el eclipse para comprender las variaciones de densidad atmosférica.
Para determinar la influencia de las plumas volcánicas en la interacción electrodinámica de Io con la magnetosfera de Júpiter.

Principales métodos:

Utilizó la espectroscopia ultravioleta de New Horizons (NH) Alice durante cuatro observaciones de eclipses de Io en la primavera de 2007.
Datos ultravioleta NH correlacionados con imágenes ultravioletas del Telescopio Espacial Hubble simultáneas.
Comparó datos de observación con simulaciones detalladas de las emisiones aurorales de Io.

Principales resultados:

El brillo y la morfología aurorales variaron significativamente después de la entrada y salida del eclipse, lo que indica cambios en las contribuciones de las fuentes atmosféricas.
Las diferencias de brillo observadas en varias geometrías sugieren una disparidad de densidad sustancial entre las atmósferas diurnas y nocturnas de Io.
La morfología de la aurora ultravioleta lejana destacó el impacto de las plumas volcánicas en el acoplamiento electrodinámico de Io con la magnetosfera de Júpiter.

Conclusiones:

Se estima que las fuentes volcánicas suministran del 1 al 3% de la atmósfera diurna de Io.
La densidad atmosférica muestra una diferencia dramática entre el lado diurno y nocturno de Io.
Las plumas de Io juegan un papel crucial en sus interacciones magnetosféricas.