Whoa! Is this a flying saucer?
No, it’s a lenticular cloud over Mauna Kea, Hawaii. This was the Astronomy Picture Of the Day on August 21, 2005.
Click on the image to read more about it.
(photo from Wikimedia Commons. Click on the image to see the original)
Many years ago in Kentucky I saw four of these clouds lined up in the sky. It looked like a mother ship with three attending flying saucers.
It’s a beauty!