Earth's magnetic field occasionally bursts into song — but these compositions are written with electromagnetic radiation, not ...

This means that their magnetism is there all the time and cannot be turned on or off as it can with an electromagnet. Converting a magnet to a non-magnet is called demagnetisation. Magnets are ...

Peculiar bursts of energy called chorus waves have been detected in deep space far from our planet, suggesting they could pose problems for long-distance space travel ...

Because Earth's magnetic field is slightly asymmetrical and more complex than that of a regular bar magnet, the magnetic south pole — the point in the Southern Hemisphere where the magnetic ...

They are usually detected in areas of space where Earth’s magnetic field resembles that of a giant bar magnet (a dipole), out to around 51,000 km above Earth’s surface, beyond geostationary ...