Where does this definition of sunspot group come from?
This entry for sunspot group is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Does sunspot group appear elsewhere on Lughet?
Yes — sunspot group appears under other sources or language pairs in Lughet's collection. See the list below.
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.
