范艾伦

  • 美国航天局探秘范艾伦辐射带-广东十一选五

    One of the first discoveries of the space age, made in 1958, was that the Earth is surrounded with a doughnut-shaped field of highly charged particles. It was named the Van Allen radiation belt, after its discoverer, U.S. space scientist James Van Allen.人类转入太空时代以来的首批探寻成果之一,即是1958年对于地球周围高能电磁场的找到。

    2021-01-15