When measuring cosmictimes and distances, very slight errors may creep into the calculations.
当测量宇宙的时间和距离时，非常微小的误差很有可能会被带进计算。
2
Background cosmic radiation levels in free space are ten times greater than the maximum acceptable levels for individuals who work in radiation environments on Earth.
太空环境下的宇宙射线辐射强度，超过地球上人体承受极限的十倍以上。
3
Cosmic rays bombard the Earth from space and include particles of astounding energy, 40m times more powerful than anything that physicists can create in the world's biggest accelerators.