Its what's known as a " Hole Punch Cloud" heres what they believe is the cause: A “Hole Punch” cloud is a non-technical name given to a cloud formed from an aircraft dissipation hole or trail. They are also called "Punch Hole" clouds. Rather than extending as a line, Hole Punch clouds appear as a circular or oval hole in a deck or thin layer of supercooled water clouds. They are not uncommon where jet flight paths intersect altocumulus layers. What is uncommon is when they form in a perfect circle that persists for a length of time to be widely observed.

Ghost Of A Chance - Rush

Walter Sobchak: You want a toe? I can get you a toe, believe me. There are ways, Dude. You don't wanna know about it, believe me. The Dude: Yeah, but Walter... Walter Sobchak: Hell, I can get you a toe by 3 o'clock this afternoon... with nail polish. These fucking amateurs...

love the string arrangements on that tune! All The King's Horses - Robert Plant

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Bridge on the River Kwai on Sony Movie Channel

Building Steam with a Grain of Salt - DJ Shadow

Heartbreaker - Pat Benatar

You Only Live Twice - Natacha Atlas

It works on droid....I love it...and its free!

Stand Up And Shout - Dio

Time - Pink Floyd

cool......Morcheeba is a great chill band. I remember where I was the first time I heard "Tape Loop" off of their first album Who Can You Trust. Back in '96 I think it was. Here is a play list of their first release:

The Girl I Love She Got Long Black Wavy Hair - Led Zeppelin

^ thats cool!

Down To The Sea - Robert Plant

http://www.youtube.com/watch?v=3EZEFj0CM-g&feature=related

The Blob - Burt Bacharach

Mother People - Frank Zappa

You are so right about that! There's nothing like being far enough away from the light pollution the human species has littered our skys with. Seeing the night sky, the wisdom of the milky way as it seems to flow between the glimering points of light of our solar systems past. here is a good light pollution map:

Me too, gotta look up, night or day.

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"The Look of Love" - Burt Bacharach and Hal David and sung by Dusty Springfield Damm too slow... Something - The Beatles

Do You Know the Way to San Jose - Dionne Warwick - Burt Bacharach (music) and Hal David (lyrics).

Beware of the Blob - written by Burt Bacharach and Mack David ( Hal David's brother)