August 21st marked the date of the Great American Solar Eclipse. The eclipse passed through a line from Wyoming to North Carolina. In Florida, there was 85% percent totality.

Solarium- a solarium is a sundial

Gegenschein- gegenschein is the corona that can be seen around a moon during  a solar eclipse.

Aigrette- a plume or tuft, esp. resembling a sun’s corona

Actinometer- An actinometer measures the Sun’s rays