Dark Patch on the Solar Surface
This page is the CodyCross answer for the clue below from Futuristic City , Group 998, Puzzle 2 (Conductive Polymers).
Question is: Dark Patch on the Solar Surface
and the answer is: SUNSPOT
Word Meaning:
SUNSPOT — (astronomy) A region on the sun's surface with a lower temperature than its surroundings and intense magnetic activity.
Definitions from Wiktionary.