関連する実験動画

Updated: Jul 12, 2026

Thermocapillary Convection Space Experiment on the SJ-10 Recoverable Satellite
07:00

Thermocapillary Convection Space Experiment on the SJ-10 Recoverable Satellite

Published on: March 11, 2020

金星の上層大気圏の短期的な周期的変動と昼間の変動

G M Keating, F W Taylor, J Y Nicholson

    Science (New York, N.Y.)
    |July 6, 1979
    PubMed
    まとめ

    ヴィーナス軌道探査機のパイオニア・ヴィーナス軌道探査機のデータは,ヴィーナス上の原子酸素大気は予想以上に密度が低く,夜間エクソスフィアの気温が驚くほど低いことを明らかにしています. 周期的な振動は,惑星の波が熱層と外層に影響を及ぼすことを示唆しています.

    さらに関連する動画

    Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface13:27

    Exploring the Effects of Atmospheric Forcings on Evaporation: Experimental Integration of the Atmospheric Boundary Layer and Shallow Subsurface

    Published on: June 8, 2015

    Surface Renewal: An Advanced Micrometeorological Method for Measuring and Processing Field-Scale Energy Flux Density Data09:55

    Surface Renewal: An Advanced Micrometeorological Method for Measuring and Processing Field-Scale Energy Flux Density Data

    Published on: December 12, 2013

    関連する概念動画

    Variation of Atmospheric Pressure01:18

    Variation of Atmospheric Pressure

    Change in atmospheric pressure with height is particularly interesting. The decrease in atmospheric pressure with increasing altitude is due to the decreasing gravitational force per unit area as we move away from the surface of the earth.
    Assuming the air temperature is constant at a given altitude and that the ideal gas law of thermodynamics describes the atmosphere to a good approximation, one can find the variation of atmospheric pressure with height.
    Let p(y) be the atmospheric pressure at...
    Variation in Acceleration due to Gravity near the Earth's Surface01:20

    Variation in Acceleration due to Gravity near the Earth's Surface

    An object's apparent weight is its weight measured by a spring balance at its location. It is different from its true weight, the force with which the Earth pulls it, because of the Earth's rotation. Mathematically, an object's apparent weight equals its true weight minus the centripetal force that keeps it in a circular motion along with the Earth's surface every 24 hours.
    The difference between the true and apparent weights is proportional to the square of the Earth's angular speed. Since the...
    Circular Orbits and Critical Velocity for Satellites01:16

    Circular Orbits and Critical Velocity for Satellites

    The Moon orbits around the Earth. In turn, the Earth (and other planets) orbit the Sun. The space directly above our atmosphere is filled with artificial satellites in orbit. One can examine the circular orbit, the simplest kind of orbit, to understand the relationship between the speed and the period of planets and satellites with respect to their positions and the bodies that they orbit.
    Nicolaus Copernicus (1473-1543) first suggested that the Earth and all other planets orbit the Sun in...
    Alterations in Respiration II01:30

    Alterations in Respiration II

    There are numerous types of normal and abnormal respiration. Based on ventilatory movements, breathing patterns are classified as regular, deep, or shallow. Examples include Biot's breathing, Cheyne-Stokes respiration, Kussmaul's breathing, hyperventilation, and hypoventilation. Each pattern is clinically significant and aids in evaluating patients.
    In Biot's breathing, the respiratory rate and depth are irregular, alternating between periods of deep gasping and apnea. Common causes include...
    Boundary Layer Characteristics01:18

    Boundary Layer Characteristics

    When a fluid encounters a solid surface, a boundary layer forms due to the interaction between the fluid's motion and the stationary surface. This phenomenon is characterized by a thin region adjacent to the surface where viscous forces dominate, influencing the fluid's velocity profile. The development of the boundary layer begins at the leading edge of the surface and evolves as the fluid moves downstream.As the fluid flows over the surface, friction between the fluid and the wall slows down...
    ¹H NMR of Conformationally Flexible Molecules: Variable-Temperature NMR01:15

    ¹H NMR of Conformationally Flexible Molecules: Variable-Temperature NMR

    The axial and equatorial protons in cyclohexane can be distinguished by performing a variable-temperature NMR experiment. In this process, except for one proton, the remaining eleven protons are replaced by deuterium. The deuterium substitution avoids the possible peak splitting caused by the spin-spin coupling between the adjacent protons. The remaining proton flips between the axial and equatorial positions.