Talk:Robotic spacecraft/to do Here are some tasks awaiting attention: Expand : Section on control. Explain light-speed relevance. E.g. round-trip for signals to Voyager is now more than 26 hours, see Space probe. Sdsds 21:38, 22 March 2007 (UTC) (Sdsds - Talk) 23:55, 18 May 2007 (UTC)[reply]