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The Aurora Borealis (North) and Aurora Australis (South) have roughly a 2500 mile radius limit from their magnetic poles, although the phenomenon occurs on the perimeter of a more elliptical shape (the auroral oval).

This distance and the vivacity varies with the energy of the solar storm temporarily expanding in to temperate latitudes on occasions, and even visible to equatorial regions roughly once a decade (due to the 11 year sun spot cycle), although a common occurrence in the polar regions and regularly visible in Canada/ Alaska, far Northern Europe and Asia (Borealis) and South America and south Australasia (Ausralis).

The Aurora is essentially only visible by night and when it is clear and dark (free from light pollution), and it is most active around midnight (the opposite side to the sun due to the geometry of the magnetic field and solar winds). The Geomagnetic storms that ignite auroras occur most during the months close to the equinoxes. This is due to the IMF (Interplanetary Magnetic Field -coming from the sun) linking up with Earths magnetic field in a specific geometric way that allows an easy flow of particles in to the earths inner magnetosphere. The Suns IMF is spiraled due to the suns rotation and it is during April and October (the equinoxes) that the earth's magnetic axis align with this spiral.

This, however, is not the only influence on geomagnetic activity, also because the suns rotation axis is tilted (8 degrees in comparison to earths orbit) the speed of the solar winds from the sun rise and decline in a 6 month cycle, with the strongest winds by about 12% (50km/s) occurring early September and early March. In solar storms, however, the speed can increase many times, as can the IMF.

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Q: When can you see the Aurora Borealis and the Aurora Australis?
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Related questions

Can you see the aurora borealis in the southern hemisphere?

No, but you can see the aurora australis though


How is and aurora borealis different from and aurora australis?

Aurora Borealis occurs in northern parts of the world. Aurora Australis in southern parts of the world. Borealis is more known because there are more places and people to see them.


What is the light at the North or South pole?

In the north, you can see aurora borealis and in the south you can see aurora australis.


Is aurora borealis bad?

No. In fact the aurora borealis and the aurora australis are very beautiful sights.


Can you see the Aurora Borealis from Argentina or Borneo?

You may be able to see Aurora Australis from Southern Argentina, but probably not from Borneo.You would not be able to see Aurora Borealis from either geography.


Scientific name for the twinkling of the stars?

Aurora Borealis is the real name for the Northern Lights. It is a natural light display in the sky in high latitude regions.


Can you see the Aurora Borealis from the Philippines?

Aurora Borealis means Northern Lights. Philippines is near the equator, so you can not see Northern Lights from the Philippines. IF the Earth tilts more, it may be possible we can see an Aurora Borealis/Australis


What are the two kinds of aurora phenomenon?

Aurora Borealis which is the "northern lights" and Aurora Australis which occurs in Australia


What is the difference between a Aurora borealis and a Aurora australis?

The Aurora Borealis is in the northen hemisphere at the north pole. However the Aurora Australis is in the southern hemisphere at the south pole. That is the only difference in them; they are both formed in the same way. They are both polar lights. One is the Aurora Borealis, the northern lights and the Aurora Australis, the southern lights. They are on the different poles on the earth, other than that, they are the same. Borealis is near the North Pole. Australis is near the South pole. The Aurora Borealis is at the north magnetic pole: the Aurora Australis is at the south magnetic pole. That's the only difference. They are both really the same thing but are visible from different places in the world. The aurora borealis can be seen in Northern England and in Scotland sometime, normally in summer and spring. The aurora austalis can be seen from places like Australia and New Zealand. Another difference is that the aurora borealis are brighter that the aurora austalis


How is an aurora boreali different from an auroroa australis?

It's all in the name. The Aurora Borealis is seen in the Northern Hemisphere. The Aurora Australis is seen in the Southern Hemisphere.


The Aurora borealis and Aurora australis occur in which layer of the atmosphere?

The Aurora Borealis and its southern counterpart the Aurora Australis are formed high in the atmosphere in the ionosphere, which is sometimes considered as part of the thermosphere, the outermost actual atmosphere. Above this layer, the exosphere has so few molecules that they can escape into space.(see the related question below)


Does the auroria borealis occur in anarticia?

Yes but it is called the Aurora Australis