Pulsar: a dense, rapidly rotatingstar that emits pulses of light.
脉冲星:高密度、快速旋转、发射脉冲光的星体。
2
It is the clock of the rotating neutron star.
中子星旋转的计时,如果中子星。
3
Most of that gas flows inward and adds to the mass of the forming star, but the gas is rotating. The centrifugal force from that prevents some of the gas from reaching the forming star.