Auroras are most commonly visible at high latitudes . they are associated with geomagnetic activity brought about by solar wind 極光通常在高緯度的地區(qū)出現(xiàn),它們與太陽風(fēng)引致的地磁活動有關(guān)。
I will introduce the part work of my workmates and me about the geomagnetic activities aspect in the safety period of " shenzhou no . 5 " in this paper ? 2 本文在第二章中介紹了作者與中心其他同志在“神舟5號”安全期預(yù)報中地磁活動預(yù)報方面的部分工作。
The year of 2003 is in the declining phase of cyler 23 and the frequency of the solar - eruption is low , so the recurrent geomagnetic strom is dominant in all the geomagnetic activities 由于2003年處于太陽活動下降年,太陽爆發(fā)活動頻次減小,地磁活動主要以重現(xiàn)型地磁暴占主導(dǎo)。
They are associated with geomagnetic activity brought about by solar wind . auroras occur as a result of charged particles ( mostly electrons ) from the sun colliding with gas particles in the earth s atmosphere , producing a glow in different colours 極光通常在高緯度的地區(qū)出現(xiàn),它們與太陽風(fēng)引致的地磁活動有關(guān)。當(dāng)來自太陽的帶電荷粒子(主要是電子)與地球大氣層的空氣粒子碰撞,產(chǎn)生不同顏色的光,這便是極光。
More recently , david hathaway , a solar physicist at the marshall space flight center nasa and his colleagues predict the peak of solar activity will take place around the middle of the year 2000 . their prediction is based on the recent sunspot number and geomagnetic activity 最近,美國太空總署馬歇爾飛行中心的太陽物理學(xué)家大偉哈法威及其同事根據(jù)太陽黑子的數(shù)目和地磁活動,預(yù)測太陽活動在2000年中會到達(dá)高峰期。