Word: Solar eclipse
Definition: Earth enters the shadow of the new Moon, which cuts off all or part of the Suns light. Total: Earth passes through the umbra (central dark part) of the Moons shadow, resulting in totality for observers within a narrow band on Earth. Annular: The Moon appears silhouetted against the Sun, with a ring of sunlight showing around it. Partial: The Moon blocks only part of the Sun.