It will dig into the surface anyway so it will anchor itself even without the harpoon, if it's on the surface of course. See this video that explains how Phila

It will dig into the surface anyway so it will anchor itself even without the harpoon, if it's on the surface of course. See this video that explains how Philae foots work: https://www.youtube.com/watch?v=-77-Z_DHTlY#t=84 https://www.youtube.com/watch?v=-77-Z_DHTlY#t=84 ESA says it landed gently on the surface: https://twitter.com/esaoperations/status/532575615527170048 https://twitter.com/esaoperations/status/532575615527170048