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- Tue Apr 03, 2007 6:31 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Why is polar cloud mysterious? (APOD 03 Apr 2007)
- Replies: 10
- Views: 4193
Why is polar cloud mysterious? (APOD 03 Apr 2007)
What is mysterious about the hexagonal-like cloud flow lines? Isn't it simply a sinusoidal wave along the flow caused by shear.