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

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.

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. 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…

An amazing northern lights photo from space showing the ring around the earth where the aurora is most prominent.

An amazing northern lights photo from space showing the ring around the earth where the aurora is most prominent.

Earth's magnetic field - Wikipedia, the free encyclopedia

Earth's magnetic field - Wikipedia, the free encyclopedia

New research suggests that Earth’s core has not cooled enough over the past 4.3 billion years to maintain the magnetic field. How does the moon play a role in maintaining Earth’s protective shield?

New research suggests that Earth’s core has not cooled enough over the past 4.3 billion years to maintain the magnetic field. How does the moon play a role in maintaining Earth’s protective shield?

You can make a compass using a needle and a magnet. It's very simple and fun. Learn about magnetism. via @rookieparenting

How To Make A Compass For Kids

You can make a compass using a needle and a magnet. It's very simple and fun. Learn about magnetism. via @rookieparenting

DIY Big, Beautiful Paper Globe Chandelier - 2.26.08

AT Email: DIY Big, Beautiful Paper Globe Chandelier - 2.26.08

Refrigerator Magnets 20644: Strong Large D50*30 Rare Earth Magnets N52 Neodymium Magnet Cylinder D50 X 30 Mm -> BUY IT NOW ONLY: $30 on eBay!

Refrigerator Magnets 20644: Strong Large D50*30 Rare Earth Magnets N52 Neodymium Magnet Cylinder D50 X 30 Mm -> BUY IT NOW ONLY: $30 on eBay!

See how the northern lights, more formally known as auroras, are caused by interactions between the solar wind and the Earth's magnetic field in this SPACE.com infographic.

See how the northern lights, more formally known as auroras, are caused by interactions between the solar wind and the Earth's magnetic field in this SPACE.com infographic.

Mkango Metalysis to explore and develop 3D printed rare earth magnets for electric vehicles

Mkango Metalysis to explore and develop 3D printed rare earth magnets for electric vehicles

Andrea Williams, aka Bound Earth, keeps her hinged split rocks secured with rare earth magnets

Andrea Williams, aka Bound Earth, keeps her hinged split rocks secured with rare earth magnets

Robin :Some birds can sense the Earth’s magnetic field and orientate themselves with the ease of a compass needle. This ability is a massive boon for migrating birds, keeping frequent flyers on the straight and narrow. This incredible sense is closely tied to the sense of  vision. Birds like the European robins can literally see magnetic fields as patterns of light and shade, or even colour, superimposed onto what they normally see, because of the special molecules in the retina

Robin :Some birds can sense the Earth’s magnetic field and orientate themselves with the ease of a compass needle. This ability is a massive boon for migrating birds, keeping frequent flyers on the straight and narrow. This incredible sense is closely tied to the sense of vision. Birds like the European robins can literally see magnetic fields as patterns of light and shade, or even colour, superimposed onto what they normally see, because of the special molecules in the retina

Earth's magnetic poles could flip sooner than originally expected.

Earth's Magnetic Field Could Flip in Our Lifetime

Earth's magnetic poles could flip sooner than originally expected.

Researchers discover first sensor of Earth's magnetic field in an animal

Researchers discover first sensor of Earth's magnetic field in an animal

This is a three-inch magnet created from my original artwork. Both front and back of this needle minder are magnetized, and an extra earth magnet is included as well. A fun little item for every member of your sewing circle or group! My needle minders can be used in the following ways: 1. Simply lay the minder on the work surface in front of you as a place to rest your needle(s) when necessary 2. Use the extra earth magnet (that is included) on the back of your fabric or embroidery and place…

This is a three-inch magnet created from my original artwork. Both front and back of this needle minder are magnetized, and an extra earth magnet is included as well. A fun little item for every member of your sewing circle or group! My needle minders can be used in the following ways: 1. Simply lay the minder on the work surface in front of you as a place to rest your needle(s) when necessary 2. Use the extra earth magnet (that is included) on the back of your fabric or embroidery and place…

Using this kit and the materials contained within, students will study a magnetic field sphere with a magnet embedded in its center, and relate their findings to the properties and function of the earth's magnetic field.

Using this kit and the materials contained within, students will study a magnetic field sphere with a magnet embedded in its center, and relate their findings to the properties and function of the earth's magnetic field.

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