The moon passes between the sun the Earth at 9:29 a.m. during a solar eclipse, visible from RAF Alconbury, England, March 20, 2015. The United Kingdom will not see a solar eclipse of this scale again until 2026. (U.S. Air Force photo by Staff Sgt. Jarad A. Denton/Released)

The moon continues its pass between the sun and the Earth at 9:30 a.m. during a solar eclipse, visible from RAF Alconbury, England, March 20, 2015. An 83 percent eclipse was visible throughout the entire United Kingdom. (U.S. Air Force photo by Staff Sgt. Jarad A. Denton/Released)

The moon continues its pass between the sun and the Earth at 9:31 a.m. during a solar eclipse, visible from RAF Alconbury, England, March 20, 2015. An 83 percent eclipse was visible throughout the entire United Kingdom. (U.S. Air Force photo by Staff Sgt. Jarad A. Denton/Released)

The moon continues its pass between the sun and the Earth at 9:32 a.m. during a solar eclipse, visible from RAF Alconbury, England, March 20, 2015. Throughout the United Kingdom, darkness from the eclipse peaked at approximately 9:35 a.m. (U.S. Air Force photo by Staff Sgt. Jarad A. Denton/Released)

The moon moves past its position between the sun and the Earth at 9:37 a.m. during a solar eclipse, visible from RAF Alconbury, England, March 20, 2015. During this eclipse, only part of the sun was obscured. (U.S. Air Force photo by Staff Sgt. Jarad A. Denton/Released)

The moon moves past its position between the sun and the Earth at 9:38 a.m. during a solar eclipse, visible from RAF Alconbury, England, March 20, 2015. During this eclipse, only part of the sun was obscured. (U.S. Air Force photo by Staff Sgt. Jarad A. Denton/Released)

The moon moves past its position between the sun and the Earth at 9:46 a.m. during a solar eclipse, visible from RAF Alconbury, England, March 20, 2015. The exact moment of greatest darkness in the United Kingdom varied based on the observer’s location. (U.S. Air Force photo by Staff Sgt. Jarad A. Denton/Released)

The moon moves past its position between the sun and the Earth at 9:52 a.m. during a solar eclipse, visible from RAF Alconbury, England, March 20, 2015. Due to cloud coverage, many UK residents were not able to witness the eclipse. (U.S. Air Force photo by Staff Sgt. Jarad A. Denton/Released)

The moon moves past its position between the sun and the Earth at 9:54 a.m. during a solar eclipse, visible from RAF Alconbury, England, March 20, 2015. Due to cloud coverage, many UK residents were not able to witness the eclipse. (U.S. Air Force photo by Staff Sgt. Jarad A. Denton/Released)

The moon moves past its position between the sun and the Earth at 9:54 a.m. during a solar eclipse, visible from RAF Alconbury, England, March 20, 2015. The United Kingdom will not see a solar eclipse of this scale again until 2026. (U.S. Air Force photo by Staff Sgt. Jarad A. Denton/Released)

A flock of birds flies in skies above RAF Alconbury, England, at 9:55 a.m., during the final minutes of a solar eclipse, March 20, 2015. Due to cloud coverage, many UK residents were not able to witness the eclipse. (U.S. Air Force photo by Staff Sgt. Jarad A. Denton/Released)

The moon moves past its position between the sun and the Earth at 9:55 a.m. during a solar eclipse, visible from RAF Alconbury, England, March 20, 2015. The United Kingdom will not see a solar eclipse of this scale again until 2026. (U.S. Air Force photo by Staff Sgt. Jarad A. Denton/Released)

The moon moves past its position between the sun and the Earth at 9:56 a.m. during a solar eclipse, visible from RAF Alconbury, England, March 20, 2015. An 83 percent eclipse was visible throughout the entire United Kingdom. (U.S. Air Force photo by Staff Sgt. Jarad A. Denton/Released)