Pictures taken by the Rosetta spacecraft have captured a comet landslide in action for the first time.
The trails of dust given off by a comet, known as ‘outbursts’, are well known, but what causes them has been more difficult to pin down. One theory suggests that landslides, and other changes happening on the comet’s surface, could trigger outbursts, and now, for the first time, direct evidence of such a landslide has been captured on film.
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Abigail Beall 