Any of several celestial radio sources emitting short, intense bursts of radio waves, x - rays, or visible electromagnetic radiation at regular intervals, generally believed to be rotating neutron stars.
英
美
- 脈沖星若干能發(fā)出無(wú)線(xiàn)電波的天體之一，能以有規律的間隔發(fā)出短促且強烈的無(wú)線(xiàn)電波、X射線(xiàn)或肉眼可見(jiàn)的電磁放射，普遍認為它們是旋轉磁中子星
