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Bookmark or Share- Umbra, penumbra and antumbra - WikipediaThe umbra (Latin for "shadow") is the innermost and darkest part of a shadow, where the light source is completely blocked by the occluding body. An observer within the umbra experiences a total occultation. The umbra of a round body occluding a round light source forms a right circular cone.
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- Umbra – Eclipse Shadow - timeanddate.comThe umbra is the darkest type of shadow. ©timeanddate.com. Like any other opaque objects illuminated by a light source, the Moon and the Earth cast shadows into space as they block the sunlight that hits them. Each shadow has 3 different areas: the umbra, the penumbra, and the antumbra.
- Umbra Definition & Meaning - Merriam-WebsterThe meaning of UMBRA is a conical shadow excluding all light from a given source; specifically : the conical part of the shadow of a celestial body excluding all light from the primary source. Did you know?
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