Indeed, Cheng expects that the energy of the shock front at the galactic centre is nearly 100 times greater than that created by a supernova explosion.

确实，Cheng预计银河中心激震前沿的能量将近是超新星爆发产生的能量的一百倍。

youdao

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