In a mesmerizing image captured by NASA’s Landsat 8 satellite, the summit of Mount Vesuvius, one of the world’s most dangerous volcanoes, was perfectly aligned with a circular hole in a dense layer of ...
A large curved ridge can also be seen near the top of the cloud gap. This is the remnant of Mount Somma — an ancient volcano that once stood in the same spot as Vesuvius, before the newer ...