Rosetta probe to start listening for the lost lander Philae
![possible Philae landing area](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/03/ticker_Lander_search_area_freejpg.jpg?fit=860%2C460&ssl=1)
Rosetta scientists think Philae landed somewhere in a boulder-filled landscape (circled). In this image taken 20 kilometers from the comet, Philae would be no larger than three pixels.
ESA/Rosetta/MPS for OSIRIS Team MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA