Sunspots beside the spire

Chirag Upreti from New York City Active region AR 4475, a cluster of sunspots that emerged June 22, drifts beside the broadcast mast of the Empire State Building. Sunspots are patches of intense magnetism on that Sun’s surface that are slightly cooler — and therefore not as bright — than their surroundings. Upreti shot aContinue reading "Sunspots beside the spire" The post Sunspots beside the spire appeared first on Astronomy Magazine.