Philae 's ESA landing craft is due to touch down on a comet surface on three months . The mission may shed light on whether water may have been brought to Earth by comets . You can follow Rosetta 's progress on ESA 's blog . Philae has been designed to grip like a limpet because the comet 's gravity is so weak . If successful , first pictures could come back 15 seconds after landing .
Philae 's ESA landing craft is due to touch down on a comet surface on three months . The mission may shed light on whether water may have been brought to Earth by comets . Philae has been designed to grip like a limpet because the comet 's gravity is so weak . If successful , first pictures could come back 15 seconds after landing .