NASA Balloon Mission Captures Electric Blue Clouds

ENN
Sep 21, 2018, 10:17 am45 pts
On the cusp of our atmosphere live a thin group of seasonal electric blue clouds. Forming 50 miles above the poles in summer, these clouds are known as noctilucent clouds or polar mesospheric clouds — PMCs. A recent NASA long-duration balloon mission observed these clouds over the course of five days at their…

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