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Posts tagged as “season”

Early start of the 2020 noctilucent cloud (NLC) season

Early start of the 2020 noctilucent cloud (NLC) season The Northern Hemisphere noctilucent cloud (NLC) season has officially begun. The first cloud was detected by NASA’s AIM spacecraft inside the Arctic Circle on May 17. The detection marks one of the earliest starts in the 14-year history of the spacecraft. …… Read more »     Source: Early start of the 2020 noctilucent cloud (NLC) season

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