posted on Aug, 18 2004 @ 01:53 AM
You'll notice the light source (sun) is shining from the left side, casting shadows to the right. Just to the left of the dark spot, is a jutting
rock formation, casting its shadow to the right. The extra darkness is caused by the steepness of the angle of the cliff. Look slightly up and to
the left, and you'll see another cliff, which has a gentler slope. This is not a ufo, just a shadow.