Earth's magnetic field, which protects the planet from harmful blasts of solar radiation, is much older than scientists had previously thought. This invisible, protective shield likely existed shortly after the planet formed; a finding that could shed light on why Earth is habitable and Mars is not. Earth's magnetic field helped make life on the planet possible. Without our magnetic field, solar winds would strip away the planet's atmosphere and oceans.

'Magnetic' Discovery May Reveal Why Earth Supports Life and Mars Doesn't

'Magnetic' Discovery May Reveal Why Earth Supports Life and Mars Doesn't- This invisible, protective shield likely existed shortly after the planet formed; a finding that could shed light on why Earth is habitable and Mars is not.

Magnetic Fields of Venus, Earth and Mars illustrates the impact that solar emissions can have on Earth Environment.

An artist's impression of the magnetic fields of Venus, Earth and Mars interacting with charged particles streaming from the sun. Earth's magnetic field protects it from these atmosphere-stripping particles.

The northern lights are more formally known as auroras, and are caused by interactions between the solar wind and the Earth's magnetic field.<br />

Back-to-Back Sun Storms May Supercharge Earth's Northern Lights

The northern lights are more formally known as auroras, and are caused by interactions between the solar wind and the Earth's magnetic field.

mn:  Using my METHOD, it took me one day to FIND this model, I did NOT MAKE it:  Use the Magnetic Field of Earth to charge an array of Super Powerful UV Lasers shot at a Dish that aims it at the Sun (at least most of it) and ATTENUATES the UV that REACHES the Atmosphere.  THIS is where I want to focus my work now, NOT under a tree in this case...

A Timelapse Of Our Planet's Surprisingly Turbulent Magnetic Field

Earth’s weakening ‘magnetic shield’ could see life wiped out as skin cancer levels soar

In case you didn’t know, the universe is a terribly hostile place for most lifeforms. At least, it is if you don’t have proper protection. Take our own star, for example. The Sun gives life to everything on Earth, but it is also a violent inferno that shoots off high energy particles that could seriously disrupt Earth’s natural systems.  Fortunately, for us, our planet has protection. Ultimately, the Earth is encased in a magnetic field, which is generated by the rotating, liquid iron core…

In case you didn’t know, the universe is a terribly hostile place for most lifeforms. At least, it is if you don't have proper protection.

Earth’s magnetic field may be 4 billion years old

Earth’s magnetic field is now thought to be at least four billion years old. As this magnetic field is crucial to protecting the Earth’s atmosphere, pinpoi

Supercomputer model of Earth's magnetic field.

Earth's 6-Year Twitch Changes Day Length

Liquid sodium agitated gently in a rotating tank can significantly amplify a magnetic field. The experiment is the first step toward demonstrating a self-sustaining field in a low-turbulence fluid, which may be analogous to Earth’s core.

The earth's magnetic field. Almost 800,000 years ago, the poles flipped. Our magnetic field has lost 10% of it's strength over the last 150 years.

Is the Earth magnetic pole shifting? Whale & birds are either beaching themselves or running into objects.

Earth's Magnetic Field

Earth's Magnetic Field

Earth's magnetic field

Protective Magnetic Fields Increase the Chance for Life on Earth-Like Planets

The Moon may play a major role in maintaining Earth's magnetic field

The Moon may play a major role in maintaining Earth's magnetic field

The Earth's magnetic field permanently protects us from the charged particles and radiation that originate in the Sun. This shield is produced by the geodynamo, the rapid motion of huge quantities of liquid iron alloy in the Earth's outer cor.

When next Earth's magnetic field reverse begins and what consequences for mankind will it have?

Lunar orbiters discover source of space weather near Earth

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