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

Magnetism01:30

Magnetism

7.6K
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...
7.6K
Gravitation01:16

Gravitation

7.9K
In the years before Newton, a general belief prevailed that different laws governed objects in the sky than objects on Earth. When Kepler wrote down the three laws of planetary motion, explaining in detail the geometrical properties of the planetary orbits around the Sun, there was no immediate idea to discern their connection with more fundamental laws. It was Isaac Newton who, in 1665–66, figured out the connection between planetary motion, the motion of the moon around the Earth, and...
7.9K
Simple Harmonic Motion and Uniform Circular Motion01:42

Simple Harmonic Motion and Uniform Circular Motion

5.1K
While simple harmonic motion and uniform circular motion may be two separate concepts, they correlate and interlink with each other. Simple harmonic motion is an oscillatory motion in a system where the net force can be described by Hooke's law, while uniform circular motion is the motion of an object in a circular path at constant speed.
There is an easy way to produce simple harmonic motion by using uniform circular motion. For instance, consider a ball attached to a uniformly rotating...
5.1K
Magnetic Fields01:27

Magnetic Fields

6.9K
A moving charge or a current creates a magnetic field in the surrounding space, in addition to its electric field. The magnetic field exerts a force on any other moving charge or current that is present in the field. Like an electric field, the magnetic field is also a vector field. At any position, the direction of the magnetic field is defined as the direction in which the north pole of a compass needle points.
A magnetic field is defined by the force that a charged particle experiences...
6.9K
Gravity between Spherical Bodies01:27

Gravity between Spherical Bodies

9.1K
Newton's law of gravitation describes the gravitational force between any two point masses. However, for extended spherical objects like the Earth, the Moon, and other planets, the law holds with an assumption that masses of spherical objects are concentrated at their respective centers.
This assumption can be proved easily by showing that the expression for gravitational potential energy between a hollow sphere of mass (M) and a point mass (m) is the same as it would be for a pair of extended...
9.1K
Circular Orbits and Critical Velocity for Satellites01:16

Circular Orbits and Critical Velocity for Satellites

4.2K
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...
4.2K

You might also read

Related Articles

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

Sort by
Same author

Anomalous transient enhancement of planetary ion escape at Mars.

Nature communications·2025
Same author

Machine-learning heat flux closure for multi-moment fluid modeling of nonlinear Landau damping.

Proceedings of the National Academy of Sciences of the United States of America·2025
Same author

Two distinct current systems in the ionosphere of Mars.

Nature communications·2024
Same author

Direct observation of ion cyclotron damping of turbulence in Earth's magnetosheath plasma.

Nature communications·2024
Same author

A second space age spanning omics, platforms and medicine across orbits.

Nature·2024
Same author

Detection of magnetospheric ion drift patterns at Mars.

Nature communications·2023
Same journal

Taphonomic analysis at Liang Bua reveals the behavioral and technological capabilities of <i>Homo floresiensis</i>.

Science advances·2026
Same journal

Targeting granule initiation and amyloplast structure to create giant starch granules in wheat.

Science advances·2026
Same journal

A meta-analysis of carbon losses and gains from tropical moist forest degradation and regeneration.

Science advances·2026
Same journal

Ancient DNA reveals elite dynastic rule among Iron Age Eurasian Steppe nomads.

Science advances·2026
Same journal

Targeting astrocytic Dp71 attenuates BBB disruption after traumatic brain injury through WTAP-associated m<sup>6</sup>A regulation of MMP2.

Science advances·2026
Same journal

Pancreatic α cells are required for nutrient homeostasis by regulating dynamic β cell networks in islets.

Science advances·2026
See all related articles

Related Experiment Video

Updated: Dec 5, 2025

Experimental Methods of Dust Charging and Mobilization on Surfaces with Exposure to Ultraviolet Radiation or Plasmas
07:54

Experimental Methods of Dust Charging and Mobilization on Surfaces with Exposure to Ultraviolet Radiation or Plasmas

Published on: April 3, 2018

8.5K

When the Moon had a magnetosphere.

James Green1, David Draper2, Scott Boardsen3

  • 1NASA Headquarters, Washington, DC, USA. james.green@nasa.gov.

Science Advances
|October 15, 2020
PubMed
Summary
This summary is machine-generated.

The ancient Moon had a global magnetosphere that protected its atmosphere from solar storms. This coupled with Earth's magnetosphere significantly reduced atmospheric loss, preserving Earth's atmosphere over billions of years.

More Related Videos

Simulating Imaging of Large Scale Radio Arrays on the Lunar Surface
06:14

Simulating Imaging of Large Scale Radio Arrays on the Lunar Surface

Published on: July 30, 2020

5.2K
Chemical Vapor Deposition of an Organic Magnet, Vanadium Tetracyanoethylene
08:25

Chemical Vapor Deposition of an Organic Magnet, Vanadium Tetracyanoethylene

Published on: July 3, 2015

11.9K

Related Experiment Videos

Last Updated: Dec 5, 2025

Experimental Methods of Dust Charging and Mobilization on Surfaces with Exposure to Ultraviolet Radiation or Plasmas
07:54

Experimental Methods of Dust Charging and Mobilization on Surfaces with Exposure to Ultraviolet Radiation or Plasmas

Published on: April 3, 2018

8.5K
Simulating Imaging of Large Scale Radio Arrays on the Lunar Surface
06:14

Simulating Imaging of Large Scale Radio Arrays on the Lunar Surface

Published on: July 30, 2020

5.2K
Chemical Vapor Deposition of an Organic Magnet, Vanadium Tetracyanoethylene
08:25

Chemical Vapor Deposition of an Organic Magnet, Vanadium Tetracyanoethylene

Published on: July 3, 2015

11.9K

Area of Science:

  • Planetary Science
  • Geophysics
  • Space Physics

Background:

  • Apollo lunar samples indicate the Moon possessed a global magnetosphere from 4.25 to 2.5 billion years ago.
  • During its peak magnetic intensity (4 billion years ago), the Moon experienced volcanic activity and had a tenuous atmosphere at approximately 18 Earth radii.
  • Intense solar storms pose a threat to planetary atmospheres, necessitating robust magnetospheric protection.

Purpose of the Study:

  • To investigate the protective role of the Moon's ancient magnetosphere and its interaction with Earth's magnetosphere.
  • To model the effectiveness of coupled Earth-Moon magnetospheres in shielding Earth's atmosphere from solar wind stripping.

Main Methods:

  • Analysis of Apollo lunar samples to determine the Moon's magnetic field history.
  • Simplified magnetic dipole field modeling.
  • Simulation of a paraboloidal magnetopause to represent the magnetosphere's boundary.

Main Results:

  • The Moon generated a global magnetosphere between 4.25 and 2.5 billion years ago.
  • The coupled Earth-Moon magnetospheres provided a significant buffer against intense solar wind.
  • This shielding effect substantially reduced atmospheric loss from Earth into space.

Conclusions:

  • The Moon's ancient magnetosphere played a crucial role in protecting Earth's atmosphere.
  • The interaction between Earth's and the Moon's magnetospheres was vital for preserving Earth's atmosphere over geological timescales.
  • Understanding these ancient magnetospheric interactions offers insights into planetary habitability.