Stealing a tiny bit of the Earth's energy to propel a satellite forward – a technology that can change the aerospace engineering forever
Priya Sen
Jun. 8, 2008

Earth's magnetic field will provide propulsion to the future satellite. That will allow fuel less satellites and advance our civilization by many folds.

Researchers are testing an experimental satellite propulsion system that would use Earth's magnetic field instead of chemical propellants. As the satellite zooms around the spinning Earth it would experience a force (known as the Lorentz force) pushing it at an angle perpendicular to its direction. The prototype engine would steal a tiny bit of the Earth's energy to propel it forward. While other designs using the same principle, including the Electro Dynamic Tether, have been successfully used in orbit, the new prototype would not need to be aligned in a specific direction.

Stealing a tiny bit of the Earth's energy to propel a satellite forward – a technology that can change the aerospace engineering forever
Priya Sen
Earth's magnetic field will provide propulsion to the future satellite. That will allow fuel less satellites and advance our civilization by many folds.
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