Artist's concept of inflated airbags, used by <a href="//commons.wikimedia.org/wiki/Mars_Exploration_Rover" title="Mars Exploration Rover">Mars Exploration Rover</a>.
NASA/JPL
<a rel="nofollow" class="external free" href="http://marsrovers.jpl.nasa.gov/gallery/artwork/landing_br.html">http://marsrovers.jpl.nasa.gov/gallery/artwork/landing_br.html</a> (<a rel="nofollow" class="external text" href="http://marsrovers.jpl.nasa.gov/gallery/artwork/hires/landing.jpg">image link</a>)