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‘Comet of the century’ seems to develop physics-defying second tail as it zooms past Earth
A3 though is seemingly led by a “physics-defying” anti-tail, Nasa noted last year. The rare phenomenon is caused by the Earth ...
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See Comet A3's Rare 'Antitail' in Video From Space
You can even see an unusual "anti-tail" optical illusion. The video covers the time period from Oct. 7 through Oct. 13 and shows the sun blocked out in the middle. Comet A3 -- a cosmic snowball of ...