Noctilucent Clouds over Finland | Earth ScienceAstrophotographer Matti Helin: "This was one of the best displays I've seen in the 30 years I've observed NLC's. They filled the whole sky! And they really made the night significantly less dark. These caliber displays can be seen maybe once in a decade."At high latitudes in the summer months, iridescent clouds form in a part of the atmosphere roughly 50 to 86 kilometers (30 to 54 miles) above the s…
This story is only covered by news sources that have yet to be evaluated by the independent media monitoring agencies we use to assess the quality and reliability of news outlets on our platform. Learn more here.