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- In the Arctic Circle, they are known as aurora borealis or the northern lights, while in the Antarctic Circle they are called aurora australis or the southern lights. These dramatic and colorful lights are created when electrically charged particles from solar winds enter the Earth’s atmosphere and interact with gases in the atmosphere.
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Oct 31, 2023 · Our travel guide explains everything you need to know, from southern lights and northern lights differences to the most compelling corners of the earth to witness, or even chase, these elusive, unpredictable auroras in real life.
- Stream of High Energy Particles
- Earth: A Giant Magnet
- High Energy Collisions
- Many Different Colors
- Best Places to See Northern Lights
- When's The Best Time to See Auroral Lights?
- 11 Year Cycle
- Did You Know?
The Sun continuously emits electromagnetic radiation and highly energized particles into space, which produce space weather. Solar wind is part of space weather. It is a continuous stream of highly energized particles—mostly electrons and protons—that flow out from the Sun through space at very high speeds and high temperature. Solar winds can reac...
The Earth is a giant magnet, with its magnetic field extending from the Earth’s core to the area in space where it meets solar winds. The region of this field where the Earth’s magnetic influence dominates over solar winds is known as the magnetosphere. Its shape and size continuously change as it gets bombarded by solar winds. The Earth’s magnetos...
While the Earth’s magnetosphere is responsible for protecting it from the highly charged particles in the solar wind, sometimes, when the conditions are right, these particles enter the Earth’s atmosphere at the two poles, where they collide and interact with gas molecules and atoms. When such collisions occur, the energy from the electrons in the ...
The color of the light released depends on the kind of gas molecules, their electrical state at the time of collision, and the type of the solar wind particles they collide with. Oxygen atoms emit yellow-green or red colored light, while nitrogen atoms generate blue or purplish-red colored light. A mix of gases in the Earth’s atmosphere creates mul...
If one were to look from space, they would see a ring-shaped aurora spanning around 2500 miles (4000 kms) around both poles. This auroral zone covers Central and northern Alaska and Canada, Greenland, northern Scandinavia, and Russia in the Northern Hemisphere, and Antarctica in the Southern Hemisphere. In the south, auroras can sometimes be seen f...
While auroral activity and auroras can occur throughout the year, day and night, the best time to view them is at night during the winter months. This is because, during the winter, areas around the North and the South Poles have longer periods of darkness. Auroras are best observed around midnight—when it is darkest—on a clear night, and at a loca...
Auroras are directly connected to solar activity, which is measured by the number sunspots—dark spots on the surface of the sun caused by high magnetic activity on the Sun. A larger number of sunspots means that a larger number of highly charged particles are being pushed out by the Sun. This in turn can lead to more northern lights activity on Ear...
Auroras have been observed on some other planets as well. Any planet that has a magnetic field and an atmosphere will have auroral activity. Topics: Astronomy, Sun, Atmospheric Phenomena
Mar 1, 2023 · Learn how aurora colors work. See the chemistry and physics of the northern and southern lights and how the aurora works on other planets.
Both the northern lights and the southern lights are polar lights, or aurora polaris, because they occur near Earth's magnetic poles. In this video, discover the northern lights: what they are, how they form, their colours and how to view them.
Jul 23, 2024 · In the Northern Hemisphere, the phenomenon is called the northern lights (aurora borealis), while in the Southern Hemisphere, it's called the southern lights (aurora australis).
- Stefanie Waldek
An aurora[ a ] (pl.aurorae or auroras), [ b ] also commonly known as the northern lights (aurora borealis) or southern lights (aurora australis), [ c ] is a natural light display in Earth 's sky, predominantly seen in high-latitude regions (around the Arctic and Antarctic).
Have you ever seen the dazzling, dancing lights of the aurora in the night sky? The closer you are to the North or South Pole, the greater your chances are of seeing this amazing spectacle. In the Northern Hemisphere, it is called an aurora borealis or the northern lights.
