auroras below the clouds. Such results lead us to believe that the time is ripe to suggest a new classification of auroral displays. It has been further noticed that the colorless and quiesc Our little planet unquestionably responds to solar disturbances. The intense auroral displays that occur ...
In the southern latitudes, it is known as Aurora Australis, Australis being the Latin word for “of the south”. Auroras seen near the magnetic pole may be high overhead, but from farther away, they illuminate the northern horizon as a greenish glow or sometimes a faint red. The auroras ...
What is an aurora? The northern lights explained Dancing across the skies in vibrant ribbons of color, auroras are one of nature’s most magnificent natural phenomena. If you've ever gazed at or chased the Northern Lights, you're already familiar with the effects of a geomagnetic storm, bu...
题目What is the color of auroras usually? A. Red and green B. Blue and yellow C. Purple and orange D. White and black 相关知识点: 试题来源: 解析 A。极光通常的颜色是红色和绿色,选项 B 蓝色和黄色,选项 C 紫色和橙色,选项 D 白色和黑色。
Some particles get deflected around the Earth, while others interact with the magnetic field lines, causing currents of charged particles within the magnetic fields to travel toward both poles -- this is why there are simultaneous auroras in both hemispheres. (These currents are calledBirkeland curre...
Aurora is a natural light display in Earth's sky, primarily seen in high latitude regions, caused by solar winds disturbing the magnetosphere. Nebulae are vast clouds of gas and dust in space, often the birthplace of stars, visible as luminous patches.
B. The weather is less intense when auroras appear. C. Most weather occurs in a different atmospheric layer than auroras do. D. Auroras are visible only around the poles because of the extreme weather there. 你的答案: 正确答案:C 题目解析: 登录 后才能查看题目解析,还没有账号? 马上注册 推...
托福新托福 55 - Auroras 材料音频 去精听 查看全文 题目 L2 123456 A . To compare current theories about an astronomical phenomenon. B . To describe the growth of knowledge about an astronomical phenomenon. C . To illustrate how astronomical theories based on incorrect assumptions can lead to impor...
The auroral ring can vary in diameter. Auroras can be seen as far south as the southern United States, but not frequently. In general, they stay near the polar regions. They also occur in pairs -- when we see anaurora borealis, there is a corresponding aurora australis in the southern ...
Nishimura studies auroras, solar wind-magnetosphere-ionosphere interactions and upper atmosphere physics. What causes STEVE? STEVE is a glow of hot gas in the upper atmosphere around 62–124 miles (100–200 kilometers) altitude. The atmosphere is heated by very fast plasma streams that collide ...