A magnetometer is a device that measures magnetism: the direction, strength, or relative change of a magnetic field at a ...
Long-term satellite measurements show that Earth’s magnetic field is changing faster and more unevenly than expected, driven by dynamic processes deep within the planet’s core. Drawing on 11 years of ...
Magnetic fields play an important—if sometimes underappreciated—part in planetary systems. Without a strong magnetic field, planets can end up as a barren wasteland like Mars, or they could indirectly ...
Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Using 11 years of magnetic field measurements from the ...
Our protective blanket helps shield us from unruly space weather. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Earth's magnetic field — also ...
See you on the flip side. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A reversal in Earth's magnetic field thousands of years ago plunged the ...
Morning Overview on MSN
What is the Sun’s magnetic field, and why does it matter?
The Sun’s magnetic field is invisible to our eyes, but it quietly shapes everything from the shimmering auroras over the ...
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