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Polar Stratospheric Clouds

23 December 2014

    these beautiful cloud formations are visible inside the Arctic Circle, floating in the lower stratosphere at 25km high – and they are full of colours. Go to http://spaceweather.com December, 2014, for lots of images of aurorae, meteors, and noctilucent clouds etc. It is thought polar stratospheric clouds are formed by sunlight shining through tiny ice particles.

We also have another comet displaying its tresses, several jets issuing from its skirts. This one is known as Comet 15P/Finlay

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