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Science > Umbra

The following information is about Umbra.

Umbra Defined

The dark inner portion of sunspots.

This definition is in context to Science. See more contextual defintions for Umbra.


Are you looking for additional Science > Umbra news? Try our new "Umbra News Focus" area.

Off-site Umbra Links, User Submitted

The following links have been collected through user bookmark submission in the Umbra category. Please note, because these resources are off-site we cannot guarantee the accuracy or quality of any information.

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If you would like to find additional social bookmark based links on the topic of we recommend the Open Tag Directory > Umbra. If you would like to find related tags we recommend Tag Patterns > Umbra

Off-site Umbra Research Links

If you still need additional information on Umbra then we suggest the following off-site resources. Please note, because these resources are off-site we cannot guarantee the accuracy or quality of any information.

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