The Sunspot Enigma: The Sun is “Dead”—What Does it Mean for Earth?

Dark spots, some as large as 50,000 miles in diameter, typically move across the surface of the sun, contracting and expanding as they go. These strange and powerful phenomena are known as sunspots, but now they are all gone. Not even solar physicists know why it’s happening and what this odd solar silence might be [...] continue reading world news