Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Torque Free Motion

Torque Free Motion

The torque-free motion refers to the movement of a rigid body in space when no external torques are acting upon it. This type of motion can be observed in environments where there are no external forces or frictions, like in outer space. For example, a rotation of Mars in space is a torque-free motion. Mars is an axisymmetric object, meaning it has an axis of symmetry along which it rotates, designated as the z-axis. The rotating frame of reference is defined such that the center of mass of...

Variation of Atmospheric Pressure

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...

Magnetostatic Boundary Conditions

Magnetostatic Boundary Conditions

An electric field suffers a discontinuity at a surface charge. Similarly, a magnetic field is discontinuous at a surface current. The perpendicular component of a magnetic field is continuous across the interface of two magnetic mediums. In contrast, its parallel component, perpendicular to the current, is discontinuous by the amount equal to the product of the vacuum permeability and the surface current. Like the scalar potential in electrostatics, the vector potential is also continuous...

Tidal Forces

Tidal Forces

The origin of Earth's ocean tides has been a subject of continuous investigation for over 2000 years. However, the work of Newton is considered to be the beginning of the proper understanding of the phenomenon. Ocean tides are the result of gravitational tidal forces. These same tidal forces are present in any astronomical body; they are responsible for the internal heat that creates the volcanic activity on Io, one of Jupiter's moons, and the breakup of stars that get too close to...

IR Spectrum Peak Intensity: Dipole Moment

IR Spectrum Peak Intensity: Dipole Moment

The dipole moment of a bond is the product of the partial charge on either atom and the distance between them. Dipole moments influence the efficiency of IR absorption and the peak intensity. When a bond with a dipole moment is placed in an electric field, the direction of the field determines if the bond is compressed or stretched. Electromagnetic radiation consists of an electric field component that rapidly reverses direction. It follows that polar bonds are alternately stretched and...

Fermi Level Dynamics

Fermi Level Dynamics

The vacuum level denotes the energy threshold required for an electron to escape from a material surface. It is usually positioned above the conduction band of a semiconductor and acts as a benchmark for comparing electron energies within various materials.
Electron affinity in semiconductors refers to the energy gap between the minimum of its conduction band and the vacuum level and it is a critical parameter in determining how easily a semiconductor can accept additional electrons.
The work...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Detection of Zwan-Wolf effect in the ionosphere of Mars.

Nature communications·2026

Same author

SWFITEM: Solar Wind Fitting for Investigations of Thermodynamics and Energetics at Mars - A MAVEN dataset.

Scientific data·2026

Same author

The Dayside Ionosphere of Mars as Controlled by the Interplay Between Solar Wind Dynamic Pressure and Crustal Magnetic Field Strength.

Geophysical research letters·2024

Same author

Martian atmospheric hydrogen and deuterium: Seasonal changes and paradigm for escape to space.

Science advances·2024

Same author

Exploring the Interior of Europa with the Europa Clipper.

Space science reviews·2023

Same author

Mars' plasma system. Scientific potential of coordinated multipoint missions: "The next generation".

Experimental astronomy·2023

Search research articles

Related Experiment Video

Updated: Nov 9, 2025

Thermocapillary Convection Space Experiment on the SJ-10 Recoverable Satellite

Thermocapillary Convection Space Experiment on the SJ-10 Recoverable Satellite

Published on: March 11, 2020

Tidal Wave-Driven Variability in the Mars Ionosphere-Thermosphere System.

Scott A Thaller¹, Laila Andersson¹, Marcin Dominik Pilinski¹

¹Laboratory for Atmospheric and Space Physics, University of Colorado Boulder, Boulder, CO 80303, USA.

Atmosphere

|April 8, 2021

Summary

Mars

Keywords:

Mars ionosphere Mars thermosphere ionosphere-thermosphere coupling tidal waves

More Related Videos

Scattering And Absorption of Light in Planetary Regoliths

Scattering And Absorption of Light in Planetary Regoliths

Published on: July 1, 2019

Measurements of Waves in a Wind-wave Tank Under Steady and Time-varying Wind Forcing

Measurements of Waves in a Wind-wave Tank Under Steady and Time-varying Wind Forcing

Published on: February 13, 2018

Related Experiment Videos

Last Updated: Nov 9, 2025

Thermocapillary Convection Space Experiment on the SJ-10 Recoverable Satellite

Thermocapillary Convection Space Experiment on the SJ-10 Recoverable Satellite

Published on: March 11, 2020

Scattering And Absorption of Light in Planetary Regoliths

Scattering And Absorption of Light in Planetary Regoliths

Published on: July 1, 2019

Measurements of Waves in a Wind-wave Tank Under Steady and Time-varying Wind Forcing

Measurements of Waves in a Wind-wave Tank Under Steady and Time-varying Wind Forcing

Published on: February 13, 2018

Area of Science:

Planetary Science
Aeronomy
Atmospheric Physics

Background:

The Martian ionosphere-thermosphere (IT) system exhibits complex variations.
Non-migrating thermal tides are significant drivers of atmospheric dynamics.

Purpose of the Study:

Investigate Martian IT perturbations linked to non-migrating thermal tides.
Analyze MAVEN data to understand tidal influences on electron and neutral densities.

Main Methods:

Utilized over four years of Mars Atmosphere and Volatile Evolution (MAVEN) in situ measurements.
Analyzed electron and neutral densities within the Martian ionosphere-thermosphere.
Compared in situ data with Mars Climate Database (MCD) neutral densities.

Main Results:

Observed strong correlation between tidal perturbations in electron and neutral densities on the Martian dayside (~150-185 km).
This correlation extended to higher altitudes (~270 km) where plasma transport dominates.
Identified dominant non-migrating tidal waves (wave-1, wave-2, wave-3) in neutral densities, with wave-1 often dominant for electron densities.

Conclusions:

Tidal variations significantly impact the Martian ionosphere-thermosphere at various altitudes.
Plasma transport plays a crucial role at higher altitudes, influencing the coupling between thermosphere and ionosphere.
Findings provide insights into the dynamics of Mars' upper atmosphere and its response to tidal forcing.