The G2 cloud in our Galaxy's core has survived an encounter with the central black hole and failed to trigger a major flare-up in the black hole's activity. A promising theory endeavours to explain the cloud's nature.
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Bally, J. Mystery survivor of a supermassive black hole. Nature 524, 301–302 (2015). https://doi.org/10.1038/524301a
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DOI: https://doi.org/10.1038/524301a
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