Questions tagged [auroras]

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0answers
30 views

Modeling & triangulation of “STEVE” along with its accompanying possible “end points” in relation to the Earth?

On "July 25, 2016 a thin river of purple light slashed through the skies of northern Canada in an arc that seemed to stretch hundreds of miles into space. It was a magnificent, mysterious, borderline-...
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1answer
53 views

What is an aurora called when viewed from space?

An aurora is defined as a electromagnetic instance caused by polarization and ionization within a planet's higher altitudes. But what are the different phasics (beginning, middle and end) and ...
9
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1answer
90 views

Does the Earth receive a net charge from the aurorae?

The sun radiates a lot of charged particles to the Earth. When the magnetic field of the Earth lines up to the poles, we get the beautiful polar lights. But are there as many negative charged as ...
9
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1answer
430 views

What? Northern lights are *not* simply caused by energetic charged particles from the sun?

Reading the article Northern Lights: The traditional explanation for the aurora borealis is wrong, physicist says I was surprised to find out that the simple, standard explanation for the production ...
4
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0answers
17 views

Why are Kp Index values updating at times greater that the intervals in which they belong?

I've been observing the current Kp Index values from this site At 12:18 AM UTC The latest measurement is 1- (the next row for 160314 hasn't been filled out yet for the next series of measurements)...
7
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2answers
796 views

Why is at high altitude more light from oxygen in the auroras while it is heavier than nitrogen?

In an other recent question is said that because of diffusion and thermal causes oxygen and nitrogen are mixed. Nevertheless oxygen is a little bit heavier than oxygen so it should be lower in the ...
4
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1answer
72 views

What causes aurorae?

I know that aurorae are caused by solar activity interacting with the Earth's magnetic field as charged particles are funneled down into the polar magnetic mirrors. On one hand, I know that as ...
8
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1answer
152 views

What modelling approaches are used to predict the aurora?

Are there any resources (books/links) that discuss the mathematical tools and methods used to forecast the aurora borealis activity in a particular location? I see many websites that claim to predict ...
11
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4answers
7k views

What woud happen to me if I touched the aurora?

The Aurora Borealis (commonly known as the northern lights) is a mesmerizing and captivating sight to behold, so beautiful that I just want to touch it and feel it. Should I? Could it harm me?
11
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1answer
3k views

Is it possible to see Auroras from the equatorial region?

I thought Auroras are only visible in the North Pole and South Pole, but recently, I found out that Auroras can be seen in areas of the world closer to the equator. An example is that in the year ...
13
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2answers
441 views

What causes the beautiful Auroras on the north and south magnetic poles?

What is the scientific reason for the majestic sights of the northern and southern lights, otherwise known as Auroras near the magnetic poles, and why do the northern lights differ from the southern ...