这类源一般都投影在超星爆发残骸的射电星云上。
These sources are generally viewed in projection against radio nebulae representing the remnants of supernova outbursts.
鉴于脉冲星规律的射电及X射线脉冲并未发生改变，因此学者们怀疑波动源自于星云的内层。
Since the pulsar's regular radio and X-ray pulses have not altered, researchers suspect that the fluctuations originate in the inner portion of the nebula.
与此同时，更多崭新的专业射电望远镜阵列正在建设，通过它们可以窥视到宇宙最初星云形成的时期。
At the same time, new and more specialized radio telescope arrays are being built to peer into the universe's earliest star-forming era.
我昨天打电话问我，射电天文学的朋友，中子星在蟹状星云的，旋转周期是多少。
I called my radio astronomy friends yesterday and I asked them, "What is the rotation period of the neutron star in the Crab Nebula?"
因为星云对射电波的散射很小，所以最明显的优点就是能够全面而真实地勾画出星云气体分布的外貌。
The most obvious advantage is that 'because of their inability to scatter appreciably, nebular radio waves completely and genuinely delineate the distribution of nebular gas.
因为星云对射电波的散射很小，所以最明显的优点就是能够全面而真实地勾画出星云气体分布的外貌。
The most obvious advantage is that 'because of their inability to scatter appreciably, nebular radio waves completely and genuinely delineate the distribution of nebular gas.
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