This 4K Time-Lapse of the Sun Features the Largest Sunspot in the Past 22 Years

James Tyrwhitt-Drake recently combined over 17,000 images captured by NASA's Solar Dynamics Observatory and Helioviewer.org to create a time-lapse showing the largest sun spot of the past two solar cycles — that’s roughly 22 years! The eight-minute video begins on October 14th, 2014 and ends on October 30th, 2014. Displaying roughly 52.5 minutes of real-time […]