Video Experimental Relacionado
Updated: Jul 12, 2026
08:50
Total Internal Reflection Absorption Spectroscopy (TIRAS) for the Detection of Solvated Electrons at a Plasma-liquid Interface
Published on: January 24, 2018
Hielo en la superficie del tritón
Science (New York, N.Y.)
|August 6, 1993
Resumen
El Tritón es Tritón.
Área de la Ciencia:
- Ciencias planetarias Ciencias planetarias.
- Astrobiología Astrobiología.
- La espectroscopia es una técnica de espectroscopia.
Sus antecedentes:
- Tritón, la luna más grande de Neptuno, exhibe una composición superficial compleja.
- Observaciones anteriores sugirieron la presencia de varios hielos en la superficie de Tritón.
Objetivo del estudio:
- Para analizar el espectro del infrarrojo cercano de Tritón.
- Para identificar y cuantificar los hielos superficiales presentes en Tritón.
- Evaluar las implicaciones para los procesos atmosféricos y de superficie de Tritón.
Principales métodos:
- Adquisición y análisis de datos espectrales del infrarrojo cercano de Tritón.
- Comparación de los espectros observados con los espectros de hielo de laboratorio.
- Modelado de la distribución y abundancia de hielo.
Principales resultados:
- Identificación de nitrógeno, metano, monóxido de carbono y dióxido de carbono, entre otros.
- El hielo de nitrógeno es el componente dominante.
- El hielo de dióxido de carbono puede cubrir aproximadamente el 10% de la superficie de Tritón, potencialmente segregado de otros hielos.
- Se detectó la ausencia de otros hidrocarburos y nitriles.
Conclusiones:
- La superficie de Tritón está compuesta principalmente de hielos volátiles, siendo el nitrógeno el más abundante.
- La segregación espacial del hielo de dióxido de carbono merece una mayor investigación.
- La falta de ciertos hidrocarburos y nitriles desafía los modelos fotoquímicos actuales para el Tritón.
Videos de Conceptos Relacionados
01:24Surface Tension
Surface tension is defined as the force per unit length (γ) acting along the surface of a liquid. It arises due to strong intermolecular forces of attraction. A molecule located inside the bulk of the liquid is surrounded by other molecules and experiences equal forces in all directions. However, a molecule at the surface experiences unbalanced forces because there are more neighboring molecules below than above. This creates a net inward force that pulls surface molecules toward the interior,...
01:14Clamper Circuit
A clamper circuit, also known as a DC restorer, represents a specialized variant of the rectifier circuit, notable for its method of taking the output across the diode rather than the capacitor. This configuration lends to several distinctive applications, particularly in handling square wave inputs.
Within this circuit, the diode's orientation prompts the capacitor to charge up to the level of the most negative peak of the input signal. Upon reaching this state, the diode ceases to conduct,...
Within this circuit, the diode's orientation prompts the capacitor to charge up to the level of the most negative peak of the input signal. Upon reaching this state, the diode ceases to conduct,...
01:22Surface Tension of Fluid
Surface tension is a fundamental property of fluids, occurring at the boundary between a liquid and a gas or between two immiscible liquids. This phenomenon arises from the cohesive forces between molecules at the fluid's surface, creating an effect similar to a stretched elastic membrane. Inside each fluid, molecules are equally attracted in all directions by neighboring molecules, but surface molecules experience a net inward force, resulting in surface tension.
Surface tension varies with...
Surface tension varies with...
01:16Surface Tension and Surface Energy
When a paint brush is immersed in water, the bristles wave freely inside the water. When it is taken out, the bristles stick together. The reason behind this effect is surface tension.
Consider a beaker filled with liquid. The bulk molecules in the liquid experience equal attractive forces on all sides with the surrounding molecules. However, the surface molecules experience a net attractive force downward due to the bulk molecules. The surface of the liquid behaves like a stretched membrane,...
Consider a beaker filled with liquid. The bulk molecules in the liquid experience equal attractive forces on all sides with the surrounding molecules. However, the surface molecules experience a net attractive force downward due to the bulk molecules. The surface of the liquid behaves like a stretched membrane,...
01:18Capacitor With A Dielectric
Parallel plate capacitors consist of two conducting plates separated by a certain distance. However, it is mechanically difficult to hold the large plates parallel to each other without actual contact. Hence, a dielectric layer is commonly placed between the plates, which provides an easy solution for holding the plates together with a small gap and increases the capacitance of the capacitor.
Dielectrics are non-conducting materials with no free or loosely bound electrons. When a dielectric is...
Dielectrics are non-conducting materials with no free or loosely bound electrons. When a dielectric is...
01:28Surface Integrals
A curved roof has a surface area that is generally larger than its flat projection. To estimate the cost of painting it, the curved surface area must first be calculated. If the roof is represented parametrically by a vector-valued function r(u,v), then each point in a parameter domain D corresponds to a point on the surface S. This connection allows the curved surface to be studied through a two-dimensional parameter region.The parameter domain D is divided into many small rectangles. A...