On Wednesday, July 10, 2013 8:22:48 AM UTC-5, dave wrote:
On 07/09/2013 07:13 PM, extra class wrote:

"moving through a cloud of interstellar gas"



no ****

neither link or this answer suggests a "more dense part of the galaxy"



???????????????



I guess you'll have to take my word for it, Puke.

I take doggy's word for whatever and Dat's Dat! NASA gives glimpse of Solar systems tail. www.cnet.com A Tail like a Comet. Wait, that was the name of some Mercury cars. Google,,, Mercury Comet cars.