This active asteroid has grown a tail! What happened?
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These 3 images show asteroid 6993 (1995 BJ4) on 3 separate dates this summer. Is this active asteroid better described as a comet, or did it grow a tail due to a collision? Image via the Zwicky Transient Facility/ NAU/ arXiv.
This active asteroid has grown a tail!
This summer, astronomers spotted something unusual about an asteroid in the main asteroid belt between Mars and Jupiter. The asteroid, named 6993 or 1995 BJ4, appeared to be shedding material and growing a tail, much like a comet
This active asteroid has grown a tail!
This summer, astronomers spotted something unusual about an asteroid in the main asteroid belt between Mars and Jupiter. The asteroid, named 6993 or 1995 BJ4, appeared to be shedding material and growing a tail, much like a comet
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