Total solar eclipse, visible in parts of Chile and Argentina, is seen in Las Grutas, in the Rio Negro province, Argentina, December 14, 2020. People gathered near the Saltos del Laja waterfalls of central Chile's Laja River to observe the total solar eclipse Monday, the only total solar eclipse of 2020. REUTERS/Chiwi Giambirtone.

A partial solar eclipse is pictured in Buenos Aires, Argentina, December 14, 2020. nly a few lucky sky gazers were able to witness this year's show as the "path of totality" was limited to parts of Chile and Argentina. REUTERS/Agustin Marcarian

A total solar eclipse, visible in parts of Chile and Argentina, is seen in Las Grutas, in the Rio Negro province, Argentina, December 14, 2020. REUTERS/Chiwi Giambirtone.

A solar eclipse is pictured during a cloudy day, in Villarrica, Chile December 14, 2020. REUTERS/Cristobal Saavedra Escobar

A total solar eclipse, visible in parts of Chile and Argentina, is seen in Bariloche, Patagonia, Argentina, December 14, 2020. REUTERS/Carlos Barria

People observe the solar eclipse over South America, visible in parts of Chile and Argentina, in Buenos Aires, Argentina, December 14, 2020. REUTERS/Agustin Marcarian