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Original file (1,000 × 600 pixels, file size: 97 KB, MIME type: image/png) ... Description=Diagram of umbra, penumbra and antumbra in a two-body system. ...
2007-03-08 05:31 DanMS 499×275×0 (10073 bytes) {{Information | Description = Diagram showing the umbra and penumbra of the shadow of the earth in sunlight. This is an SVG replacement for the PNG file [[:Image:Umbra01.gif]]. | Source = Original artwork by Daniel M. Short | Date = March 7, 2
Umbra, penumbra and antumbra of Earth and images that could be seen at some points in these areas (Note: the relative size and distance of the bodies shown are not to scale.)“… The Earth’s shadow has two distinct parts,… the UMBRA is the part of the shadow where all direct sunlight is blocked by the Earth; the PENUMBRA of the shadow is ...
What is the penumbra during an eclipse. The second shadow is called the penumbra. According to timeanddate.com, the penumbra is the lighter outer part of the moon’s shadow. It is the portion of ...
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.
English: This diagram explains why the penumbra of a solar eclipse is approximately twice the size of the Moon. Since the Sun and Moon have nearly the same angular diameter, the umbra is reduced to nearly a single point in length. Therefore the three angles marked in red are nearly equal, all with a base equal to the Moon's diameter.
Diagram of the Wilson effect. The umbra is the darker inner circle and the penumbra is the lighter ring around the umbra. In astronomy, the Wilson effect is the perceived depression of a sunspot's umbra, or center, in the Sun's photosphere. The magnitude of the depression for the umbra is between 500 and 1000 km, with an average of 600 km. [1]
It is recommended to name the SVG file “Automotive diagrams 06 En.svg”—then the template Vector version available (or Vva) does not need the new image name parameter. Licensing I, the copyright holder of this work, hereby publish it under the following licenses: