Inouye Solar Telescope releases its first image of a sunspot

Advanced optics capture structures as small as 20 kilometers on the surface of the sun More at
https://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=301786&WT.mc_id=USNSF_1
This is a Research News item.

Source: NSF Discoveries - December 10, 2020 Category: Science Source Type: research