考研英语水平的进步，不仅要记单词，还需要阅读外语文献等资料。接下来，小编为2024考研者们，整理出——2024考研英语同源外刊:收到外太空神秘规律性信号，供考生参考。
2024考研英语同源外刊:收到外太空神秘规律性信号
An unknown source has been sending radio blasts towards Earth since at least 1988. scientists say. For 35 years, the source has been sending out regular 20-minute blasts of energy that vary considerably in their brightness, researchers say.
科学家们说，至少从 1988 年开始，地球一直能够收到一个未知信号源发来的无线电波信号。研究人员称，35 年来，这个信号源一直每隔 20 分钟发射一次强度差异很大的无线电波。
The emissions appear something like the blasts that come out of pulsars or fast radio bursts, which last for milliseconds to several seconds. But the newly discovered source sends radio signals that pulsate on a period of 21 minutes – something previously thought impossible by expected explanations.
这些无线电波看起来有点像脉冲星或磁星产生的射电爆炸，持续时间从几毫秒到几秒钟不等。但新发现的信号源每隔21分钟发送一次无线电波，根据之前预期的解释，这是不可能的。
Pulsars are neutron stars that spin around quickly, throwing out radio blasts as they do. When one crosses Earth, the emissions can be picked up very briefly and brightly, like being in the path of the light from a rotating lighthouse.
脉冲星是一种快速旋转的中子星，在旋转过程中会发射出无线电波。当其发射的无线电波穿过地球时，我们可以非常短暂而明晰地捕捉到它的辐射，就像在旋转灯塔的光照范围内一样。
Scientists believe that process can only work if the magnetic field of the pulsar is strong, and it is rotating quickly enough – if not, there would not be enough energy to see the pulsar from Earth.
科学家们认为，只有当脉冲星的磁场强度足够强、旋转速度足够快时，这些信号才能在穿过地球表面时被捕捉;否则，就缺乏足够的能量从地球上观察到脉冲星。
That has led to the development of the "pulsar death line", which suggests that sources must be spinning fast and strong enough to be detected. The newly discovered object named GPMJ1839-10. however, is way beyond that death line. If it is a pulsar, then it seems to be operating in ways that scientists thought impossible.
这导致了 "脉冲星死亡线"的出现，它表明脉冲星必须旋转得足够快、足够强才能被探测到。然而，新发现的名为 GPMJ1839-10 的天体却远远超出了这条死亡线。如果它是一颗脉冲星，那么它似乎正以科学家认为的不可能的方式运行。
It could also be a highly magnetised white dwarf or magnetar, an extra kind of neutron star with incredibly strong magnetic fields. But they do not tend to send out emissions of this kind, researchers believe.
它也可能是一颗磁化的白矮星或磁星，这是一种具有超强磁场的恒星。但研究人员认为，白矮星或磁星并不倾向于发射这种电波。
The signals have been detected on Earth since at least 1988. scientists found by going through old records, but they had gone unnoticed by those collecting that data. After the source was detected, researchers checked radio archives and found that the source has been repeating for at least 35 years.
科学家通过查阅旧记录发现，这些信号至少从1988年起就在地球上被探测到了，数据收集者没有注意到这些信号。探测到发射源后，研究人员查阅了无线电档案，发现该发射源至少已持续35年发射信号。
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