N'afọ 1980, NASA bidoro Solar Maximum Mission. Otú ọ dị, a haziri ụgbọelu a iji nyochaa gamma rays, X-rays na UV radiation site na ọkụ ọkụ anyanwụ n'oge ọrụ anyanwụ dị elu na ìhè anyanwụ. Naanị ọnwa ole na ole mgbe e wepụsịrị ya, Otú ọ dị, nkwarụ eletrọniki mere ka nyocha ahụ banye n'ọnọdụ njikere, ọ nọrọ afọ atọ sochirinụ na steeti a na-adịghị arụ ọrụ. Na 1984 Space Shuttle mission STS-41C weghachitere satellite ma mezie ngwá electronic ya tupu ịhapụ ya na orbit. Solar Maximum Mission mechara nweta ọtụtụ puku ihe oyiyi nke corona anyanwụ tupu ya abanyeghachi na mbara igwe nke ụwa na June 1989.
chi jiri n'afọ 2001