The researchers concluded that the heat generated by the joint decay of 26Al and 60Fe could not have caused asteroidal melting.
研究人员认为铝26和铁60产来,仍无法使小行星熔化。
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In the inner Solar System, Mars has two small captured asteroidal moons, while Mercury and Venus have no moons.
在内太阳系, 火有两颗型捕获状卫,而水和金则没有卫。
This is a chaotic outcome that planetary-defence researchers usually want to avoid, to minimise the risk of asteroidal shards flying in all directions.
防御研究人员通常希望避免混乱结果,以尽量减少碎片四处飞溅风险。
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