Questions tagged [aurora]
Questions of natural light display on planets with atmosphere predominantly in their high latitudes caused by charged particles from the respective star.
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Seasonal variation of aurora and magnetic activity
Following the link of this question it shows at least seemingly sound statistics that the magnetic activity is seasonally dependent.
So far it was my believe that the magnetic activity depends on the ...
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In the 1800s, what did they think caused the northern lights? [migrated]
I watched an excellent documentary about the Franklin Expedition. It was always daytime, even when the sun was down.
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Are you more likely to see an aurora a week before or a week after the equinox?
Around the equinoxes the chances of seeing auroras are higher. Are you more likely to see an aurora if you go a week before or a week after the equinox?
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What causes aurora at lower latitudes during solar storms?
During solar storms, aurora can be viewed a lower latitudes in regions which normally cannot see aurora. What physically allows for the aurora to be seen at lower latitudes? Is it the influx of energy ...
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Low Latitude Aurora
It's been in the news recently that the aurora was visible in Europe at much lower latitudes than usual, ie, not just in Scandinavia but as far south as the Adriatic. Sadly, I didn't find out about it ...
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I spotted a very small, quite foggy but uniform aurora-type looking green light in the sky, but I live near the equator [duplicate]
I live in India, from there, a few years(2016) ago, I had spotted quite bright, uniformly(didn't change the shape while moving) crystal shaped green light very slowly moving above the clouds during ...
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What are the typical emissions of Jupiter's Aurorae?
I'm looking for some solid measurements of the full range of emissions from the Aurorae on Jupiter. I've found partial sets of data in the past which are most easily summarized here. As you can see, ...
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Have auroras on Titan been observed yet?
After reading the very insightful introduction to auroras on other planets I started digging and found various questions and some answers here on the same topic, see below.
What I did not figure out ...
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Are there auroras on Mercury?
Auroras on Earth are caused by interactions between the solar wind and the magnetosphere. I've also seen a few pictures of auroras on Jupiter and Saturn.
Mercury has a global magnetic field. Does it ...
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What is the difference between aurorae and electroglow?
One of the discoveries of Voyager 2 at Uranus was a phenomenon called "electroglow", which as I understand it is related to charged particles interacting with the atmosphere that cause the ...
user24157
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Why is Ganymede's aurora only visible in ultraviolet while Earth's is bright green and red?
GANYMEDE AURORAE
NASA's Hubble Space Telescope observed a pair of auroral belts encircling the Jovian moon Ganymede. The belts were observed in ultraviolet light by the Space Telescope Imaging ...
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Could Ganymede's aurora be seen with the naked eye?
If one was orbiting in the Jovian system, as depicted in this artist conception,
could the aurora be seen unassisted?
Hubblesite-Illustration Credit: NASA, ESA, and G. Bacon (STScI)
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What is the science behind the polar light shapes
Is there any scientific explanation that causes polar lights (aurora borealis/australis) to have their unique shapes?
Specifically:
Rayed Arcs
Dual Bands
Corona
(Images on NASA Pdf)
This site (by ...
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Why do Auroras only occur in polar regions?
Why is it that Auroras only occur in the North and South poles. Why don't they occur in the equator or anywhere for that matter?
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Can cosmic rays alone produce noticeable aurorae in bodies far away from the Sun?
Aurorae are caused by energetic particles interacting with planetary atmospheres. Part of this flux comes from the Sun (solar wind) while the rest is cosmic radiation. My main question is: could a ...
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Auroras: is there any bump in frequency at certain times of night, or times of year?
I'm trying to find out if there is a range of times at night, and/or days during the year, in which the probability of seeing an aurora is higher than average.
The aurora section of the British ...
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How come the northern and southern lights are the same?
Not an expert, hence the question. To my knowledge the magnetic field of the earth travels south to north. Wouldn't there be a bias on whether the charged particles causing the auroras are negatively ...
user11801