![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/5/53/Aldrin_Cycler.gif/640px-Aldrin_Cycler.gif&w=640&q=50)
Mars cycler
Kind of spacecraft trajectory / From Wikipedia, the free encyclopedia
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A Mars cycler (or Earth–Mars cycler) is a kind of spacecraft trajectory that encounters Earth and Mars regularly. The term may also refer to a spacecraft on a Mars cycler trajectory. The Aldrin cycler is an example of a Mars cycler.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/5/53/Aldrin_Cycler.gif/640px-Aldrin_Cycler.gif)
Cyclers are potentially useful for transporting people or materials between those bodies using minimal propellant (relying on gravity-assist flybys for most trajectory changes) and can carry heavy radiation shielding to protect people in transit from cosmic rays and solar storms.