During the first two weeks of June 2017, Spaceweather.com received zero images of NLCs - something that hasn't happened in nearly 20 years.
Emasontweni amabili okuqala kaJuni 2017, izithombe ze-ZERO ezivela kwaCEN zamukelwa ku-Spaceweather.com - into engakaze yenzeke eminyakeni ecishe ibe ngu-20.