Odd dark streak in the blue sky

Dark streak in blue sky

I was at Carkeek park on Wednesday 3-12-09 and saw this dark streak in the blue sky

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GingerSnapsBack says ... on Thursday, May 28 at 11:05 PM

Be honest. Jets' have been flying for decades. These black shadow lines in the sky are there before any plane comes along. 5 watched as another one one of the non-passenger planes were flown directly underneath spraying chemtrails.

Anonymous says ... on Sunday, Oct 3 at 3:05 PM

I think they are angels.

suzhastings says ... on Sunday, Mar 15 at 8:49 AM

That's a very interesting phenomenon.

r_photo says ... on Sunday, Mar 15 at 6:29 AM

These dark streaks are caused by jet contrails casting shadows through atmospheric haze. You can't really see them unless you're positioned to view them from just the right angle, so they are a fairly uncommon sight.

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