• Using a welder's mask as protection, a man views a total eclipse in Piedra del Aguila, Argentina, Monday, Dec. 14, 2020. The total solar eclipse was visible from the northern Patagonia region of Argentina and from Araucania in Chile, and as a partial eclipse from the lower two-thirds of South America. (AP Photo/Natacha Pisarenko, File)
  • Magdalena Nahuelpan, a Mapuche Indigenous girl, looks at a total solar eclipse using special glasses in Carahue, La Araucania, Chile, Monday, Dec. 14, 2020. (AP Photo/Esteban Felix, File)
  • A total solar eclipse is observed above the mountainous Siberian Altai region, about 3,000 kilometers (1,850 miles) east of Moscow, on Friday, Aug. 1, 2008. (AP Photo/Oleg Romanov, File)
  • Thousands of tourists gather to view a solar eclipse in front of Apollo Temple in the Turkish Mediterranean coastal resort of Side, Turkey, Wednesday March 29, 2006. (AP Photo/Burhan Ozbilici, File)
  • A crowd reacts to the view of a partial solar eclipse as it peaks at over 70% percent coverage on Monday, Aug. 21, 2017, in New York. (AP Photo/Michael Noble Jr.)