Kamis, 05 Juli 2018

Spotless Sun

Spotless Sun
The sun has been virtually spotless, as in no sunspots, over the past 11 days, a spotless stretch that we have not seen since the last solar minimum many years ago. The videos shows the past four days (Mar. 14-17, 2017) with a combination of an extreme ultraviolet image blended with just the filtered sun. If we just showed the filtered sun with no spots for reference points, any viewer would have a hard time telling that the sun was even rotating. The sun is trending again towards the solar minimum period of its 11 year cycle, which is predicted to be around 2020 (See monthly prediction chart at

Spotless Sun Animation    1920x1200   1600x1200    Full-Res JPG     Download Full-Res TIFF




Tidak ada komentar:

Posting Komentar