unresolved source

unresolved source

A source of radiation whose angular size is too small for details of its structure to be revealed.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
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Unless we intentionally and prayerfully seek to mediate these differences there will remain an unresolved source of disunity and division.
In eight months of negotiations since the rapprochement was announced, the two sides have made progress on a number of other divisive issues, most notably the removal of Cuba from the United States' list of "state sponsors of terrorism." But unresolved sources of tension include the U.S.
A simple example is "blinking," where the unresolved sources alternately turn on and off with the intent of producing a "back-and-forth" motion in the threat (angel) tracking.