It would have been a boon if the lander had landed upright and attached itself 
to the comet so when the comet approached the sun, it could measure the 
sublimation of gases from the surface instead of from afar, and measured other 
surface changes on site. I am not sure photography would have added much beyond 
the initial landing images, but out-gassing of a comet's tail has been 
photographed close up before from other spacecraft and this is something the 
Rosetta orbiter will do because it has a much better viewpoint.

---In, <turquoiseb@...> wrote :

 This is from my friend who works on this project for the ESA:

 Rosetta continues into its full science phase
 Rosetta continues into its full science phase
 With the Philae lander’s mission complete, Rosetta will now continue its own 
extraordinary exploration, orbiting Comet 67P/Churymov–Gerasimenko during the 

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