A passing star can cause planets to scatter
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From sending hay into the orbit of Pluto to plunging toward the sun of Mercury, astronomers have imagined scenarios that could wreak havoc beyond prior estimations. While the probability of such events remains low, the substantial effects of passing stars suggest that similar occurrences might be more frequent in other planetary systems.
Once considered predictable and unchanging, planetary orbits have been reevaluated by modern astronomers over extended timescales…
Source: www.newscientist.com
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