Actinides are synthesized very quickly in such environments as supernova explosions.

锕合成很快，在这种环境下，因为超新星爆炸。

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Supernova explosions release tremendous amounts of radio radiation, x-radiation and cosmic rays, as well as other elements.

超新星爆炸时发射出大量的无线电射线、X射线和宇宙射线以及其他粒子。

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Those processed elements escaped in stellar winds or supernova explosions and then got picked up by subsequent generations of stars.

这些中期元素借助恒星风或是超新星爆发逃跑成功又让下一代的恒星捡了去。

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The modeling of white dwarf stars that fail to detonate can be directly connected to the new class of very dim supernova explosions, according to Jordan and his team.

FORBES: When A Supernova ... Fizzles

As plans for deep space exploration ramp up, radiation is a big concern from high-energy galactic cosmic rays spewed by distant supernova explosions to sporadic bursts of charged particles hurled by the sun.

NPR: Astronauts Face Radiation Threat On Long Mars Trip

Rather, they're created inside stellar cores, implying that gas giants had a hard time forming until multiple generations of stars had been born, died and spread their innards throughout the cosmos in massive supernova explosions.

MSN: Alien Earths may be plentiful in our Milky Way galaxy