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  2. How do penumbra and umbra relate to eclipses? - Answers

    www.answers.com/astronomy/How_do_penumbra_and_umbra_relate_to_eclipses

    Umbra is the opaque, darker part of the shadow. The penubra is the semi-opaque, lighter part of the shadow. Usually the penumbra is smaller the the ubmbra, but the solar eclipse on an exception.

  3. What is the different of umbra and penumbra? - Answers

    www.answers.com/astronomy/What_is_the_different_of_umbra_and_penumbra

    The two shadows produced during an eclipse are the umbra and the penumbra. The umbra is the darker, central shadow where the light source is completely blocked, while the penumbra is a lighter ...

  4. What is the difference in Umbra and Penumbra in Xrays?

    www.answers.com/.../What_is_the_difference_in_Umbra_and_Penumbra_in_Xrays

    In the shadow cast by the moon in an eclipse, the penumbra is the partial shadow that occurs before the total eclipse, and the umbra is the 'total eclipse' portion Trending Questions

  5. What is the difference between being in the umbra and penumbra of...

    www.answers.com/natural-sciences/What_is_the_difference_between_being_in_the...

    The umbra in a lunar eclipse is the part of the earth's shadow from the sun that completely blocks the light from the sun from falling on the moon.The penumbra is the part of the shadow that only ...

  6. How do you use penumbra in a sentence? - Answers

    www.answers.com/natural-sciences/How_do_you_use_penumbra_in_a_sentence

    What is the contrast between an umbra an a penumbra? the umbra is a darker shadow than the penumbra. ... no there is a difference between numbra and penumbra.we cannot call penumbra numbra.

  7. What is xray penumbra? - Answers

    www.answers.com/astronomy/What_is_xray_penumbra

    What is the contrast between an umbra an a penumbra? the umbra is a darker shadow than the penumbra. ... no there is a difference between numbra and penumbra.we cannot call penumbra numbra.

  8. What is the Earth's umbra? - Answers

    www.answers.com/astronomy/What_is_the_Earth's_umbra

    The umbra ans penumbra. What is the difference between the umbra and the penumber? umbra is the shadow and penumbra is the part the umbra is in.

  9. What is do you mean by the terms umbra and penumbra? - Answers

    www.answers.com/.../What_is_do_you_mean_by_the_terms_umbra_and_penumbra

    The umbra is the fully shaded inner region of a shadow where no direct light reaches, while the penumbra is the partially shaded outer region where some light does reach. This difference in ...

  10. Why is the penumbra important? - Answers

    www.answers.com/natural-sciences/Why_is_the_penumbra_important

    WikipediaThe umbra, penumbra and antumbra are the names given to three distinct parts of a shadow, created by any light source. For a point source only the umbra is cast.PenumbraThe penumbra (from ...

  11. How does the penumbra differ from an umbra? - Answers

    www.answers.com/astronomy/How_does_the_penumbra_differ_from_an_umbra

    an umbra is the center of the solar eclipse which is the darker part and the penumbra is farther away from the center of the eclipse and is brighter than the umbra Wiki User ∙ 12 y ago