Lenitcular cloud over Mount Fuji, Japan I These clouds, often referred to as "UFO clouds" (for obvious reasons), are officially called lenitcular, or lens-shaped, clouds. They are super bizarre, and people all over the internet seem to really love them, and it's easy to see why.
June 13th, observers in more than half a dozen European countries witnessed a brilliant apparition of noctilucent clouds. Ruslan Merzlyakov sends this picture from Nykøbing Mors, Denmark. || Noctilucent clouds are a space weather phenomenon. They are seeded by meteoroids and hover 83 km above Earth's surface at the threshold of space.| pinned by haw-creek.com.