CARBONDALE, IL - AUGUST 21:  People watch the solar eclipse at Saluki Stadium on the campus of Southern Illinois University on August 21, 2017 in Carbondale, Illinois. Although much of it was covered by a cloud, with approximately 2 minutes 40 seconds of totality the area in Southern Illinois experienced the longest duration of totality during the eclipse. Millions of people are expected to watch as the eclipse cuts a path of totality 70 miles wide across the United States from Oregon to South Carolina on August 21.  (Photo by Scott Olson/Getty Images)