Personally I think that the bouncing ball approach should be the standard way to land a small unmanned probe on Mars.

BBC: Mars 2 - Earth 0

The referee decided the advantage was over but Munster continued to probe and when man of the match Rua Tipoki flung the ball wide, Lesley Vainikolo could not pick off the interception and Howlett put Dowling over in the corner for a superb score.

BBC: Gloucester 3-16 Munster