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*discount only applies to the first year

ScienceCasts:风暴上方的灯光秀

瞬态發光现象 (Transient Luminous Events : TLEs) 是由风暴内部和下方的活动所引起在风暴上方的闪光和闪烁。研究员试图从闪电和雷暴中,找出它们的起源和發展以及为何风暴在不同情况下發展出不同的瞬态發光现象。 更多信息请访问http://science.nasa.gov/。 点击这里查看更多视频:https://alugha.com/NASA

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ScienceCasts: Escape of the Destructive Electrons

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NASA ScienceCasts: A Sunset Sky Show

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