The antumbra (from Latin ante ' before ' and umbra ' shadow ') is the region from which the occluding body appears entirely within the disc of the light source. An observer in this region experiences an annular eclipse , in which a bright ring is visible around the eclipsing body.

The antumbra is the lighter area of a shadow that appears beyond the umbra, at a certain distance from the object casting the shadow. It only exists if the light source has a larger diameter than the object. In the antumbra, you will see the outer rim of the light source around the object casting the shadow.

Nov 3, 2020 · The antumbra is the lighter part of a shadow, similar to the penumbra; however, it forms at a certain distance from the object casting the shadow. Let’s see exactly what an antumbra shadow is and how it creates annular solar eclipses. The Antumbra Shadow. Any opaque object illuminated by a light source will create a shadow into space.

La antumbra (del latín ante, "antes" y umbra, "sombra") es la región desde la cual el cuerpo oclusivo aparece completamente dentro del disco de la fuente de luz. Un observador en esta región experimenta un eclipse anular , en el que se ve …

Antumbra Eclipses. The antumbral shadow can only cause 1 type of eclipse: Annular solar eclipse – the Moon's antumbra falls on the Earth's surface, and the observer is within the antumbra. Topics: Eclipses, Sun, Astronomy, Moon, Earth

Umbra, penumbra and antumbra. A point source of light casts only a simple shadow, called an "umbra". For a non-point or "extended" source of light, the shadow is divided into the umbra, penumbra, and antumbra. The wider the light source, the more blurred the shadow becomes. If two penumbras overlap, the shadows appear to attract and merge.