skullaria wrote:
] Am I missing something in that picture? Those look like high
] altitude cirrus clouds to me or ice crystals.
] I don't see a single contrail.
]
] :::conspiracy mode::: (You know what Art Bell says about
] contrails, don't you?)::::: :)
]
]
] Decius wrote:
] ] Today's Astonomy Picture of the Day that shows plane
] ] contrails like scars across the SouthEast. NASA is running
] ] a count the contrails program for kids over the next two
] ] days.

That pagee says that these contrails spawn cirrus clouds, and that the increase in cirrus clouds heats North America.

RE: Boing Boing: airplane exhaust scars