These are words many people use to describe one of the sky's most beautiful displays: noctilucent clouds. Another picture from this morning's amazing Noctilucent clouds show. Noctilucent clouds seen over Medicine Hat, Alta., on June 26. These shimmering clouds appear during summer in the Northern Hemisphere because more water molecules travel up from the lower atmosphere and mix with meteor debris. And you will be able to tell them apart from weather clouds as those clouds will be dark rather than the bright NLCs.

Source: CBC News June 30, 2022 15:51 UTC