Naked-Eye Big Sunspot Naked-Eye Big Sunspot. 맨눈으로 확인 가능한 거대한 흑점의 출현. 이번주 태양 한번 관측해보세요. 태양 안경을 써야 흑점 관측이 가능합니다. http://cfile2.uf.tistory.com/original/2315943859620F1D255C5E http://cfile5.uf.tistory.com/original/25141A4B59621413251B68 The Sun sports a large complex of spots this week. All you need to view it is a safe solar filter. A telescope helps, but the spot group is so large you can see it without one.Image credi.. 2017. 7. 9. 이전 1 다음