Thứ Bảy, 3 tháng 12, 2016

NPR News: The Electric Blue Polar Cloud Season Came Early This Year

The Electric Blue Polar Cloud Season Came Early This Year
Noctilucent clouds, high-altitude clouds that appear to glow in the sky at night, usually show up in the Southern Hemisphere summer. Satellite images showed them covering Antarctica in early November.

Đọc tiếp trên NPR
December 3, 2016 at 05:05AM
Environment

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