The Moon begins to eclipse the Sun during the total solar eclipse in Mazatlan, Sinaloa state, Mexico, on April 8. Photo: Mario Vazquez/AFP via Getty Images

The Moon eclipses the Sun during the total solar eclipse in Mazatlan, Sinaloa State, Mexico, on April 8. Photo: Mario Vazquez/AFP via Getty Images

The diamond ring effect is seen as the Moon eclipses the Sun on April 8 from Fort Worth, Texas. Photo: Ron Jenkins/Getty Images

People view the start of the total eclipse on the campus of Southern Illinois University. Many travelled from around the country to the campus to view the rare celestial phenomenon. Photo: Scott Olson/Getty Images

A child prepares for the start of the total eclipse on the campus of Southern Illinois University, which is in the path of totality. Photo: Scott Olson/Getty Images

A man looks toward the sky at the 'Edge at Hudson Yards' observation deck in New York City during a total solar eclipse on April 8. Photo: Charly Triballeau / AFP via Getty Images

People look up at the Sun during a total solar eclipse from Niagara Falls State Park in New York. Photo: Angela Weiss/AFP via Getty Images

A man views the total solar eclipse at Niagara Falls State Park on April 8. Photo: Angela Weiss/AFP via Getty Images

The sky darkens as people look up at the Sun during the total solar eclipse from Niagara Falls State Park. Photo: Angela Weiss/AFP via Getty Images

A bride and groom view the solar eclipse amid a darkened sky after marrying at a mass wedding at the Total Eclipse of the Heart festival on April 8 in Russellville, Arkansas. Photo: Mario Tama/Getty Images

People watch the total eclipse at Cristo de Las Noas on April 8 in Torreon, Mexico. Photo: Saul Perales/Getty Images