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Tricks of light and shadows

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posted on Feb, 3 2012 @ 11:03 AM
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Tricks of light and shadows

Let's play with the sun, the moon and the wide range of shadows they can create!!

1- Shrinking .s and Sharper Sundials

Strangely behaving shadows captured by Andrew Kirk.
"It was shortly after sunrise. Shadows were very long with distinct penumbras. As I jogged along, I noticed the shadow of my . shrink
each time my shadow passed over the shadow of a utility pole.
So I stopped to document it, and returned next day, too."
"The pole was +/-35mm diameter at chest height. While photographing I stood about 25 meters away from it"



How does it works?
The width across the shoulders of Andrew's shadow stays the same. Why does the width of . change?
Why is the narrow . shadow much sharper than the normal one of the right?




2- 3D Contrail shadow

Contrail shadow by Agust Guömundsson imaged during the 10th Paragliding World Championship 500km north of Sydney, Australia March 4th 2007.



How does it works?



Similar sample:




3- Crossed Contrail shadow



How does it works?




4- Downward slanting shadow




5- Dawn cloud shadows




6- Superimposed blue shadows




SOURCE

More to come....!!
edit on 3-2-2012 by elevenaugust because: (no reason given)




posted on Feb, 3 2012 @ 11:15 AM
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Bring it!!! This is something I have not experienced or seen. I'm sure I would have remembered. Great thread!


Love number 6. some on here will have flying pyramid out of that

edit on 3-2-2012 by Iamschist because: (no reason given)



posted on Feb, 3 2012 @ 11:22 AM
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reply to post by elevenaugust
 


The contrail one is helpful! I posted a link to your thread in one of my threads and another on contrail/chemtrails because the shadow explanation completely debunked someone's theory of the black shadow being harmful, and I wanted people to see it.

Good work! S & F.



posted on Feb, 4 2012 @ 05:11 AM
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7- Anti-solar glows



How does it works?




8- Dramatic rays



How does it works?




9- Earth's shadow




10- Sun and antisun

Anticrepuscular and crepuscular rays of startling intensity images by Jim Niebur at Omaha, Nebraska.



How does it works?

This image looks eastwards away from the sunset point. The sun was just setting at ground level
but stll above the horizon higher up and illuminating the clouds.

Long bluish shadows cross the sky to apparently converge at the antisolar point directly opposite
the sun. The shadows are in reality nearly parallel and only seem to converge by perspective.

"Antisolar might be a more descriptive name for these rays rather than anticrepuscular implying
that they are against the twilight.



How does it works?

This image looks sunwards. The shadows are cast by banked clouds low on the horizon or beyond it.

Most cloud shadows are three dimensional in the sense that they are probably two dimensional shadows cast upon and along a cloud layer - Hence their intensity.


11- Road blink



How does it works?


edit on 4-2-2012 by elevenaugust because: (no reason given)



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