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Related Concept Videos

Surface Area Calculations01:22

Surface Area Calculations

Surface area calculations for a graph z = f(x, y) are fundamental in engineering applications involving curved structures such as satellite dishes. A parabolic dish reflects communication signals efficiently, but engineers must determine its exact curved surface area to estimate coating materials, fabrication costs, and structural requirements. Since the rim of the dish forms a circular boundary, the surface area is calculated over a circular domain in the xy-plane.Parametric Representation of...
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Reflection of Waves01:07

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Related Experiment Video

Updated: Jun 14, 2026

Scattering And Absorption of Light in Planetary Regoliths
11:34

Scattering And Absorption of Light in Planetary Regoliths

Published on: July 1, 2019

Computing diffuse reflection from particulate planetary surface with a new function.

M Wolff

    Applied Optics
    |March 25, 2010
    PubMed
    Summary
    This summary is machine-generated.

    A new equation models diffuse light reflection from particulate surfaces, like those on Mars. This allows calculation of surface properties from light scattering, aiding planetary science research.

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    Last Updated: Jun 14, 2026

    Scattering And Absorption of Light in Planetary Regoliths
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    Published on: July 1, 2019

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    Measuring Spatially- and Directionally-varying Light Scattering from Biological Material
    11:57

    Measuring Spatially- and Directionally-varying Light Scattering from Biological Material

    Published on: May 20, 2013

    Area of Science:

    • Planetary Science
    • Astrophysics
    • Optical Physics

    Background:

    • Particulate surfaces on celestial bodies scatter light, influencing their observed properties.
    • Understanding light reflection is crucial for remote sensing and characterizing planetary surfaces.

    Purpose of the Study:

    • To derive an equation for diffuse light reflection from particulate surfaces.
    • To establish a method for computing planetary albedo from polarization curves.
    • To apply the equation to various celestial bodies and volcanic foams.

    Main Methods:

    • Ray tracing through an ensemble of randomly shaped grains.
    • Calculating the probability of light emission.
    • Formulating the reflected light intensity based on refractive indices and particle size.

    Main Results:

    • An equation was derived to compute diffuse light reflection.
    • The equation accurately predicts the empirical rule for planetary albedo from polarization curve slopes.
    • The model shows good agreement with experimental data, with an estimated accuracy of +/-4%.

    Conclusions:

    • The derived equation provides a robust method for analyzing light scattering from particulate surfaces.
    • The findings are applicable to planetary surfaces (Moon, Mars, Io, Europa) and volcanic foams.
    • This work enhances our ability to interpret remote sensing data for extraterrestrial bodies.