Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Magnetostatic Boundary Conditions01:28

Magnetostatic Boundary Conditions

1.0K
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...
1.0K
Magnetic Field Lines01:19

Magnetic Field Lines

4.2K
The representation of magnetic fields by magnetic field lines is very useful in visualizing the strength and direction of the magnetic field. Each of the magnetic field lines forms a closed loop. The field lines emerge from the north pole (N), loop around to the south pole (S), and continue through the bar magnet back to the north pole.
Magnetic field lines follow several hard-and-fast rules:
4.2K
Magnetism01:30

Magnetism

6.4K
Magnets are commonly found in everyday objects, such as toys, hangers, elevators, doorbells, and computer devices. Experimentation on these magnets shows that all magnets have two poles: one is labeled north (N) and the other south (S). Magnetic poles repel if they are alike and attract if unlike. Moreover, both poles of a magnet attract unmagnetized pieces of iron.
An individual magnetic pole cannot be isolated. No matter how small, every piece of a magnet contains a north pole and a south...
6.4K
Kepler's First Law of Planetary Motion01:10

Kepler's First Law of Planetary Motion

4.1K
In the early 17th century, German astronomer and mathematician Johannes Kepler postulated three laws for the motion of planets in the solar system. He formulated his first two laws based on the observations of his forebears, Nikolaus Copernicus and Tycho Brahe.
Polish astronomer Nikolaus Copernicus put forth a theory that stated a heliocentric model for the solar system. According to this heliocentric theory, all the planets, including Earth, orbit the Sun in circular orbits.
On the other hand,...
4.1K
Magnetic Field of a Solenoid01:18

Magnetic Field of a Solenoid

4.1K
A solenoid is a conducting wire coated with an insulating material, wound tightly in the form of a helical coil. The magnetic field due to a solenoid is the vector sum of the magnetic fields due to its individual turns. Therefore, for an ideal solenoid, the magnetic field within the solenoid is directly proportional to the number of turns per unit length and the current. Conversely, the magnetic field outside the solenoid is zero.
Consider a solenoid with 100 turns wrapped around a cylinder of...
4.1K
Magnetic Flux01:18

Magnetic Flux

3.6K
The magnetic flux measures the number of magnetic field lines passing through a given surface area. The SI unit for magnetic flux is the weber (Wb). Magnetic flux is a scalar quantity. It depends on three factors: the strength of the magnetic field B, the area through which the field lines pass, and the relative orientation of the field with the surface area.
Suppose a surface is divided into elements of area dA. For each element, the component of the magnetic field that is normal to the...
3.6K

You might also read

Related Articles

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

Sort by
Same author

Global current systems in the magnetosphere of Mercury.

Nature communications·2026
Same author

Author Correction: Earth's ambipolar electrostatic field and its role in ion escape to space.

Nature·2025
Same author

Anomalous transient enhancement of planetary ion escape at Mars.

Nature communications·2025
Same author

Different Behavior of Density Perturbations Between Dayside and Nightside in the Martian Thermosphere and the Ionosphere Associated With Atmospheric Gravity Waves.

Journal of geophysical research. Space physics·2024
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

Earth's ambipolar electrostatic field and its role in ion escape to space.

Nature·2024

Related Experiment Video

Updated: Aug 3, 2025

Simulation of the Planetary Interior Differentiation Processes in the Laboratory
06:04

Simulation of the Planetary Interior Differentiation Processes in the Laboratory

Published on: November 15, 2013

11.6K

Exploring the Solar Wind-Planetary Interaction at Mars: Implication for Magnetic Reconnection.

Charles F Bowers1, Gina A DiBraccio2, James A Slavin1

  • 1Department of Climate and Space Sciences and Engineering University of Michigan Ann Arbor MI USA.

Journal of Geophysical Research. Space Physics
|April 10, 2023
PubMed
Summary
This summary is machine-generated.

Mars

Keywords:
Marscrustal anomaliesmagnetic reconnectionmagnetosphere

More Related Videos

Geomagnetic Field Gmf and Plant Evolution: Investigating the Effects of Gmf Reversal on Arabidopsis thaliana Development and Gene Expression
11:04

Geomagnetic Field Gmf and Plant Evolution: Investigating the Effects of Gmf Reversal on Arabidopsis thaliana Development and Gene Expression

Published on: November 30, 2015

13.5K
Scattering And Absorption of Light in Planetary Regoliths
11:34

Scattering And Absorption of Light in Planetary Regoliths

Published on: July 1, 2019

10.4K

Related Experiment Videos

Last Updated: Aug 3, 2025

Simulation of the Planetary Interior Differentiation Processes in the Laboratory
06:04

Simulation of the Planetary Interior Differentiation Processes in the Laboratory

Published on: November 15, 2013

11.6K
Geomagnetic Field Gmf and Plant Evolution: Investigating the Effects of Gmf Reversal on Arabidopsis thaliana Development and Gene Expression
11:04

Geomagnetic Field Gmf and Plant Evolution: Investigating the Effects of Gmf Reversal on Arabidopsis thaliana Development and Gene Expression

Published on: November 30, 2015

13.5K
Scattering And Absorption of Light in Planetary Regoliths
11:34

Scattering And Absorption of Light in Planetary Regoliths

Published on: July 1, 2019

10.4K

Area of Science:

  • Planetary Science
  • Space Physics
  • Magnetohydrodynamics

Background:

  • Mars possesses a complex system of crustal magnetic anomalies.
  • Magnetic reconnection is a key process in planetary magnetospheres, observed at Mars.
  • The global impact of crustal fields on Martian magnetic reconnection remains unclear.

Purpose of the Study:

  • To investigate external conditions favoring magnetic reconnection between Mars' crustal fields and the interplanetary magnetic field (IMF).
  • To understand the global implications of these interactions on Mars' magnetospheric structure.

Main Methods:

  • Compiled crustal anomaly data from the Mars Atmosphere and Volatile EvolutioN (MAVEN) mission.
  • Created "shear maps" to visualize the angle between crustal and external magnetic fields.
  • Defined a "shear index" to quantify reconnection susceptibility.

Main Results:

  • Developed a novel shear analysis technique to assess reconnection potential.
  • Demonstrated that southward IMF conditions are conducive to dayside magnetic reconnection.
  • Quantified regional susceptibility to reconnection based on magnetic field interactions.

Conclusions:

  • The shear analysis method enhances the study of local reconnection events.
  • Southward interplanetary magnetic field orientations are predicted to favor global dayside magnetic reconnection at Mars.
  • This research provides a framework for understanding Mars' magnetosphere-solar wind interactions.