This comet is a pristine visitor from the earliest days of the solar system
Observations of comet 2I/Borisov show that it has never passed near to a star before, and studying it could give clues to the makeup of the early solar system.
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Observations of comet 2I/Borisov show that it has never passed near to a star before, and studying it could give clues to the makeup of the early solar system.