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1.媒体来源:
外媒 sciencealert
2.记者署名:
Michael Irving
3.完整新闻标题:
Unexpected 'Zig-Zag' Structures Discovered in Earth's Magnetic Field
4.完整新闻内文:
Unexpected 'Zig-Zag' Structures Discovered in Earth's Magnetic Field
Physics
24 November 2025
By Michael Irving
侦测到地球释出神秘的之字形力场
物理
2025年11月24日
由麦可欧文
Earth surrounded by a red haze preresenting plasma
地球被一层红色薄雾笼罩，这层薄雾中充满了等离子体。
Artist's impression of plasma surrounding Earth. (Naeblys/Getty Images)
艺术家描绘的环绕地球的等离子体景象。 （图片来源：Naeblys／Getty Images）
A strange phenomenon thought to only exist near the Sun has been detected in
Earth's magnetic field for the first time. The discovery could help
scientists forecast the impact of geomagnetic storms more accurately.
Physicists Emily McDougall and Matthew Argall at the University of New
Hampshire detected unexpected structures in the plasma caught in Earth's
magnetic field. The plasma seemed to have been rotating slowly before
snapping back to its original orientation, creating zigzag-shaped kinks
called magnetic switchbacks.
一种先前被认为只存在于太阳附近的奇异现象，首次在地球磁场中被探测到。这项发现或
有助于科学家更准确地预测 地磁暴的影响。
新罕布夏大学的物理学家艾米丽·麦克杜格尔和马修·阿加尔在地球磁场捕获的等离子体
中探测到了意想不到的结构。这些等离子体似乎在缓慢旋转后又突然恢复到原来的方向，
形成了被称为“磁回转”的锯齿状弯曲。
While these switchbacks haven't been seen in Earth's magnetic field before,
they are reminiscent of structures seen in the plasma constantly blasting out
of the Sun. And it turns out the two may be linked.
虽然地球磁场中先前从未观测到这种折返现象，但它们与太阳不断喷射出的等离子体中的
结构非常相似。而事实证明，这两者之间可能存在关联。
On closer examination, the team found that not all of the plasma caught in
Earth's magnetic field was from our planet – some of it had come from the
Sun, mixing with locally sourced charged particles. That interaction caused
the magnetic field to break and reconnect, creating the characteristic
zigzags.
Sun-studying spacecraft have seen signs of switchbacks for decades. Though
there are a few competing theories explaining their origins, they seem to
form when two different types of magnetic field lines interact.
研究团队进一步发现，并非所有被地球磁场捕获的等离子体都来自地球—其中一部分来
自太阳，并与本地产生的带电粒子混合。这种相互作用导致磁场断裂和重连，从而形成了
特有的锯齿状磁场。
数十年来，探测太阳的太空船一直观测到磁力线折返的迹象。尽管关于其成因存在着几种
不同的理论，但它们似乎是由两种不同类型的磁力线相互作用形成的。
Open field lines point directly away from the Sun, streaming out into space
and carrying plasma that we call the solar wind. Closed field lines, however,
travel outwards for a relatively short distance, then reverse course and
curve back into the Sun.
开放磁力线直接指向远离太阳的方向，向太空流动，并携带着我们称为太阳风的等离子体
。而闭合磁力线则向外延伸相对较短的距离，然后反向弯曲，回到太阳内部。
https://i.urusai.cc/z6AHG.jpg
Strange Zigzag Anomaly Detected in Earth's Magnetic Field For First Time
A diagram illustrating how switchbacks form in the Sun's magnetic field, as
open field lines (left) interact with closed field lines (right). (Zank et
al., ApJ, 2020)
图示说明了太阳磁场中磁矩回折是如何形成的，图中可见开放磁力线（左）与闭合磁力线
（右）相互作用。 （Zank等人，《天文物理学杂志》，2020）
When open field lines form near a set of closed magnetic fields, they can
break apart and reconnect with one another. Plasma on the outer edge of a
closed loop is pulled back toward the Sun, only to be guided into the open
field lines, taking it out into space. Interactions between the lines in this
S-shaped wave release bursts of energy that 'kinks' the field lines – this
is a switchback.
当开放磁力线在闭合磁场附近形成时，它们会分离并重新连接。闭合磁环外缘的等离子体
被拉向太阳，随后又被引导进入开放磁力线，最终进入太空。这种S形波中磁力线之间的
相互作用会释放出能量脉冲，使磁力线发生“折弯”—这就是所谓的“折返”。
McDougall and Argall identified signs of a similar structure in Earth's
magnetic field while analyzing data from NASA's Magnetospheric Multiscale
mission. In this case, the open field lines are those streaming in from the
Sun, which interact with the closed field lines looping around Earth.
"This discovery, " the researchers write, "provides new clues about how
similar disturbances can form at the boundary between different regions of
plasma, which allows for future study of related events in the Sun's outer
layers without needing to send spacecraft directly into those extreme
conditions."
The research was published in the Journal of Geophysical Research: Space
Physics.
麦克杜格尔和阿加尔在分析美国太空总署磁层多尺度探测任务的数据时，发现了地球磁场
中类似结构的迹象。在这种情况下，开放磁力线是指从太阳辐射过来的磁力线，它们与环
绕地球的闭合磁力线相互作用。
研究人员写道： “这一发现为我们提供了新的线索，让我们得以了解类似的扰动如何在
等离子体不同区域之间的边界处形成，从而使我们能够在未来研究太阳外层的相关事件，
而无需将航天器直接送入那些极端条件。”
这项研究成果发表在《地球物理研究期刊：太空物理学》。
5.完整新闻连结 (或短网址)不可用YAHOO、LINE、MSN等转载媒体:
https://reurl.cc/R9vy79
6.备注:
空知猩猩果然私下有接触过虚跟天导众
https://youtu.be/xh1MKfA12cY