tag:blogger.com,1999:blog-609254894754338184.post5683573470469649945..comments2024-03-27T05:49:01.155-04:00Comments on Random Thoughts of a Great-Granny Grandma: DO YOU KNOW?Great-Granny Grandmahttp://www.blogger.com/profile/00984367859984906071noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-609254894754338184.post-37776534130627157892011-03-07T20:17:30.187-05:002011-03-07T20:17:30.187-05:00Why do some planes leave a trail and others do not...Why do some planes leave a trail and others do not? I've wondered about that but never enough to go to the trouble of looking it up.<br /><br />Pretty pictures of skies todayGrammy Staffyhttps://www.blogger.com/profile/02574485995391510872noreply@blogger.com