(More on that in a moment.) But if the holes appear arranged and cleanly perforated, the sign has likely been manufactured ...

have discovered how coronal holes—vast magnetic windows in the sun's corona—launch fast solar wind streams into space at supersonic speeds, shaping their flow throughout the heliosphere. These ...

The solar winds from this coronal hole are scheduled to reach Earth by the end of this week. "We will probably start seeing the effects of the high-speed wind on March 24," Young added.

have discovered how coronal holes—vast magnetic windows in the sun's corona—launch fast solar wind streams into space at supersonic speeds, shaping their flow throughout the heliosphere.