Unit 4 Natural Disasters ? ... In 1859, the world had very few tools for studying the sun. 1859 년에 세계는 태양을 연구하기 위한 도구가 거의 없었다. ... When the electrical currents from the sun hit Earth’s magnetic field, it produced intense auroras over
Focus4Unit 4 Reading 1 SunStruck Imagine today’s world with no Internet, no television, no electric ... In 1859, the world had very few tools for studying the sun. ... 이것이 지금 캐링턴사건으로 알려진 태양폭풍의 첫 번째 신호인 태양표면 the electrical currents from the sun hit Earth’s magnetic field