Dark Marks on the Solar Surface, Strongly Magnetic
This page is the CodyCross answer for the clue below from Past and Present Tech, Group 1446, Puzzle 4 (Pagers and Beepers).
Question is: Dark Marks on the Solar Surface, Strongly Magnetic
and the answer is: SUNSPOTS
Word Meaning:
SUNSPOTS — plural of sunspot
Definitions from Wiktionary.