Coronal holes

Natalia Nikolayevna Stepanian (1931–2018)

Natalia Nikolayevna Stepanian lived until age 87 and was the oldest researcher at the Crimean Astrophysical Observatory (CrAO) when she died following a long illness.

Detecting the Chromospheric Footpoints of the Solar Wind

Graphic image depicting SDO and IRIS full-disk observations
Tuesday, November 24, 2020

Coronal Holes present the source of the fast solar wind. However, the fast solar wind is not unimodal—there are discrete, but subtle, compositional, velocity, and density structures that differentiate different coronal holes as well as wind streams that originate within one coronal hole.

Subscribe to RSS - Coronal holes