A small comet has been spotted slowing down and then speeding up again – but in the opposite direction, which we have never seen before
Več na: https://www.newscientist.com/article/2522785-weve-caught-a-comet-switching-its-spin-direction-for-the-first-time/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
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