1968, from pulse (n.1), the form on analogy of quasar. When discovered in 1967, they were thought perhaps to be signals from alien civilizations and astronomers informally dubbed them LGM for "Little Green Men."
权威例句
1. Structure of a pulsar — a rotating magnetic neutron star.
脉冲星的结构.一颗旋转磁中子星.
2. A pulsar is a celestial object that emits light in short burst.
脉冲星是一种能够发出光脉冲的天体.
3. We'll look for these with a " pulsar timing array. "
我们将使用 “ 脉冲星时间校准阵列 ” 来寻找这些信号.
4. Pulsar : A dense, rapidly rotating star that emits pulses of light.
脉冲星: 高密度 、 快速旋转、发射脉冲光的星体.
5. The perspective of the pulsar observation of the FAST program is outlined.