Crosswords Solver

Answer: sunspots
Answer	Crossword Clue
SUNSPOTS	Source of interference
SUNSPOTS	Cause of radio interference.
SUNSPOTS	Supposed causes of magnetic phenomena.

SUNSPOTS	Solar features.
SUNSPOTS	Solar phenomena.
SUNSPOTS	Astronomer's concern.
SUNSPOTS	They have umbras and penumbras
sunspots	A spot or patch appearing from time to time on the sun's surface, appearing dark by contrast with its surroundings
sunspots	SUNSPOT, a dark spot on the surface of the sun

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.

Answer: sunspots