Massive comet hurtling past the sun is chasing its tail : co

The massive comet 96P Machholz is headed through the inner solar system, and a close look at this unusual 4-mile-wide snowball reveals it's chasing its own tail.

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Hunter Don Machholz , Karl Battams , Qicheng Zhang , California Institute Of Technology Caltech , Heliospheric Observatory , California Institute , Comet Hunter Don Machholz , Large Angle , Spectrometric Coronagraph Experiment ,