Greetings John and Doves,
This satellite "Deep Impact" launched in 2005 was designed to probe the insides of comets and has been very successful, but when trying to probe comet Ison last month it just went dead. NASA scientist are unable to explain. hmmmm
Agape
Charles Holler Sr
http://www.huffingtonpost.com/2013/09/20/deep-impact-comet-hunting-dead-nasa_n_3963111.html?ref=topbar