LEAD: During the middle of this month (May, 2015) the sun has put on a glorious light show. 1. In this 5-day time lapse, every 6 seconds represents 24 hours. 2. The bright, spindly strands that extend out of these active regions are particles spinning along magnetic field lines that connect between areas of opposite polarity (north and south poles). 3. While the sun appears to rotating slowly, the speed at the sun