Yahoo India Web Search

Sign In

Search results

  1. Dictionary
    penumbra
    /pɪˈnʌmbrə/

    noun

    • 1. the partially shaded outer region of the shadow cast by an opaque object.
    • 2. a peripheral or indeterminate area or group: "an immense penumbra of theory surrounds any observation"

    Powered by Oxford Dictionaries

    More definitions, origin and scrabble points

  2. www.britannica.com › science › solar-eclipseSolar eclipse | Definition, Meaning, Diagram, & Types

    Sep 21, 2024 · solar eclipse, the Moon coming between Earth and the Sun so that the Moon’s shadow sweeps over Earth’s surface. This shadow consists of two parts: the umbra, a cone into which no direct sunlight penetrates; and the penumbra, which is reached by light from only a part of the Sun’s disk.

    • Penumbra

      penumbra, (from Latin paene, “almost”; umbra, “shadow”), in...

    • Umbra

      umbra, that part of a shadow in which all light from a given...

    • Lunar Eclipse

      Before the Moon enters the umbra and after it leaves the...

  3. Videos

    View all

  4. www.britannica.com › science › lunar-eclipseLunar eclipse | Definition, Diagram, Frequency, Types, & Facts

    6 days ago · Before the Moon enters the umbra and after it leaves the umbra, it must pass through the penumbra, or partial shadow. The dimming of the Moon’s illumination by the penumbra is so slight as to be scarcely noticeable, and penumbral eclipses are rarely watched.

    • The Editors of Encyclopaedia Britannica

  5. www.space.com › 15689-lunar-eclipsesWhat are lunar eclipses and how do they occur? | Space

    Sep 18, 2024 · The sun-blocking Earth casts two shadows that fall on the moon during a lunar eclipse: The umbra is a full, dark shadow, and the penumbra is a partial outer shadow. There are three types of lunar...

  6. People also ask

  7. en.wikipedia.org › wiki › Solar_eclipseSolar eclipse - Wikipedia

    5 days ago · The small area where the umbra touches Earth's surface is where a total eclipse can be seen. The larger light gray area is the penumbra, in which a partial eclipse can be seen. An observer in the antumbra, the area of shadow beyond the umbra, will see an annular eclipse. [20]

  8. www.vedantu.com › question-answer › write-a-fewWrite a few differences between umbra and penumbra. - Vedantu

    Sep 9, 2024 · (i) Umbra means ‘’shadow’’ while ‘’penumbra’’ means to hang on the shadow or almost a shadow. Also, penumbra was coined by Johannes Kepler whereas the coining of ‘’umbra’’ is not attributed to anyone in particular. (ii) Umbra is the dark part while penumbra is the lighter part.

  9. learningmole.com › eclipse-for-kidsEclipse: A Kids’ Guide to Understanding the Exceptional ...

    Sep 9, 2024 · There is a total eclipse, partial eclipse, annular eclipse, and hybrid eclipse. A hybrid eclipse is something between a total eclipse and an annular eclipse. Similarly, the lunar eclipse can be total, partial, or penumbral. The most recent solar eclipse was partial and occurred on April 30th, 2022.

  10. www.vedantu.com › question-answer › state-whetherState whether true or false? - Vedantu

    4 days ago · The penumbra is the lighter outer part of a shadow. For example, consider the case of the sun, moon and earth. The Moon's penumbra causes partial solar eclipses, and the Earth's penumbra is involved in penumbral lunar eclipses.