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NASA-所有的灯从国际空间站 (@ ISS) 绕轨道运行时捕获了迷人的光。
案例简介：所有的灯从国际空间站 (@ ISS) 捕获了迷人的光，因为它在亚洲和南极洲之间的南印度洋上方271英里处运行。观察极光-并发现导致它们随时间变化的原因-使研究人员深入了解我们星球的磁层如何对地球附近的太空天气做出反应。极光的舞动灯光从地面上可以看到壮观的景色，但也可以为科学家提供有关来自太阳的能量和粒子的宝贵见解。太阳不断产生由带电粒子构成的太阳风，这些粒子向外流入太阳系。当太阳风到达地球磁场时，它会引起磁重连，这是一个爆炸过程，允许来自太空的带电粒子加速进入大气层。地球的撕裂状磁场-称为磁层-不断响应太阳风的变化强度。太阳风粒子在磁层的长尾周围漏斗，被困在那里。当粒子与地球高层大气中的原子和分子碰撞时，这种相互作用为原子提供了额外的能量，这些能量会作为光的爆发而释放出来。这些相互作用在较低和较低的高度继续，直到所有传入的能量都丢失为止。当我们看到发光的极光时，我们正在观察数十亿个单独的碰撞照亮了地球的磁场线。✨信用: 美国宇航局 # 国际空间站 # 南光 # AuroraAustralis
NASA-所有的灯从国际空间站 (@ ISS) 绕轨道运行时捕获了迷人的光。
案例简介：All of the lights 🌌 A captivating display of light is captured from the International Space Station (@ISS) as it orbits 271 miles above the southern Indian Ocean in between Asia and Antarctica. Observing auroras – and discovering what causes them to change over time – gives researchers insight into how our planet's magnetosphere reacts to the space weather near Earth. The dancing lights of the aurora provide spectacular views from the ground, but can also give scientists valuable insights into the incoming energy and particles from the Sun. The Sun continuously produces a solar wind made of charged particles that flow outward into the solar system. When the solar wind reaches Earth’s magnetic field, it can cause magnetic reconnection, an explosive process that allows charged particles from space to accelerate into the atmosphere. Earth’s tear-shaped magnetic field – called the magnetosphere – continuously responds to the changing intensity of the solar wind. The solar wind particles funnel around the long tail of the magnetosphere where they become trapped. As particles collide with atoms and molecules in Earth’s upper atmosphere, the interaction provides atoms with extra energy which is released as a burst of light. These interactions continue at lower and lower altitudes until all incoming energy is lost. When we see the glowing aurora, we are watching billions of individual collisions light up the magnetic field lines of Earth. ✨ Credit: NASA #NASA #InternationalSpaceStation #SouthernLights #AuroraAustralis
NASA - All of the lights 🌌 A captivating display of light is captured from the International Space Station (@ISS) as it orbits
案例简介：所有的灯从国际空间站 (@ ISS) 捕获了迷人的光，因为它在亚洲和南极洲之间的南印度洋上方271英里处运行。观察极光-并发现导致它们随时间变化的原因-使研究人员深入了解我们星球的磁层如何对地球附近的太空天气做出反应。极光的舞动灯光从地面上可以看到壮观的景色，但也可以为科学家提供有关来自太阳的能量和粒子的宝贵见解。太阳不断产生由带电粒子构成的太阳风，这些粒子向外流入太阳系。当太阳风到达地球磁场时，它会引起磁重连，这是一个爆炸过程，允许来自太空的带电粒子加速进入大气层。地球的撕裂状磁场-称为磁层-不断响应太阳风的变化强度。太阳风粒子在磁层的长尾周围漏斗，被困在那里。当粒子与地球高层大气中的原子和分子碰撞时，这种相互作用为原子提供了额外的能量，这些能量会作为光的爆发而释放出来。这些相互作用在较低和较低的高度继续，直到所有传入的能量都丢失为止。当我们看到发光的极光时，我们正在观察数十亿个单独的碰撞照亮了地球的磁场线。✨信用: 美国宇航局 # 国际空间站 # 南光 # AuroraAustralis
NASA - All of the lights 🌌 A captivating display of light is captured from the International Space Station (@ISS) as it orbits
案例简介：All of the lights 🌌 A captivating display of light is captured from the International Space Station (@ISS) as it orbits 271 miles above the southern Indian Ocean in between Asia and Antarctica. Observing auroras – and discovering what causes them to change over time – gives researchers insight into how our planet's magnetosphere reacts to the space weather near Earth. The dancing lights of the aurora provide spectacular views from the ground, but can also give scientists valuable insights into the incoming energy and particles from the Sun. The Sun continuously produces a solar wind made of charged particles that flow outward into the solar system. When the solar wind reaches Earth’s magnetic field, it can cause magnetic reconnection, an explosive process that allows charged particles from space to accelerate into the atmosphere. Earth’s tear-shaped magnetic field – called the magnetosphere – continuously responds to the changing intensity of the solar wind. The solar wind particles funnel around the long tail of the magnetosphere where they become trapped. As particles collide with atoms and molecules in Earth’s upper atmosphere, the interaction provides atoms with extra energy which is released as a burst of light. These interactions continue at lower and lower altitudes until all incoming energy is lost. When we see the glowing aurora, we are watching billions of individual collisions light up the magnetic field lines of Earth. ✨ Credit: NASA #NASA #InternationalSpaceStation #SouthernLights #AuroraAustralis
NASA-所有的灯从国际空间站 (@ ISS) 绕轨道运行时捕获了迷人的光。
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NASA - All of the lights 🌌 A captivating display of light is captured from the International Space Station (@ISS) as it orbits
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