Questions tagged [magnetosphere]

A magnetosphere is the region around a planet where charged particle behavior is dominated by the planet's magnetic field.

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6
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1answer
201 views

How long would a magnetic shield placed at the Mars L1 point take to replenish Mars's atmosphere?

This conference paper proposes placing a magnetic shield at the Mars L1 point to protect it's atmosphere. The paper reports the results of modeling the martian atmosphere at a variety of pressures (10,...
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Why is it that harmful for astronauts and technology to get too far into Jupiter's magnetosphere? Shouldn't it rather be protective?

Jupiter's radiation belts make it impossible for astronauts to stay on Io, Europa and Ganymede over extended periods of time, as well as getting too close to Jupiter at all. I wonder how close would ...
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What is your name? What is your quest? What is the story behind Satellite 1963-38C?

Source see also the page On Possible Electric Phenomena in Solar Systems and Nebulae By Kristian Birkeland extracted from The Norwegian Aurora Polaris Expedition 1902-1903 (Book) Wikipedia's ...
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Spinning 16 Psyche at Mars L1 to envelop Mars with a magnetosheath?

16 Psyche is theorized to be the remnant iron core of an early small protoplanet that might have had it's surface and mantle stripped away through violent asteroid impacts. Some modeling of possible ...
4
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1answer
104 views

Could the magnetosphere of Mercury protect humans?

In theory, we built a space station orbiting Mercury like the ISS on Earth. Will the magnetosphere of Mercury similarly protect humans from this radiation (despite being close to the sun)?
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What was Steve? Is it called something else now?

"Steve" was a temporary name for a space phenomenon above the Earth. Since then it's likely much work as been done and a more permanent name chosen. So I'd like to ask what Steve really was/is, and if ...
2
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1answer
95 views

Could man-made, magnetic shields protect us from from sun's energetic particles from coronal mass ejections?

I read this in a published scholarly article: "...deploying a magnetic shield could enhance Mars' atmosphere and facilitate crewed missions there in the future..." It made me wonder if it is possible ...
5
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Did the Apollo missions use the Earth's magnetotail to lessen cosmic radiation?

I see a lot of images like this for the Apollo mission: 99% of them exclude the sun, and the ones that don't I can't be sure if they're accurate and cannot find sources. During the Apollo missions ...
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How far from Earth were the Apollo astronauts when they left the Earth's magnetosphere?

I am assuming the Apollo missions recorded radiation levels as they travelled to the Moon. Have those records ever been released, as a way of determining when the Apollo astronauts left the ...
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1answer
229 views

Diamagnetic Polar Orbit

This has nothing to do with electricity, Electrodynamic propulsion, or light sails. I am asking can a flat surface made of diamagnetic material like light sail displace Earth or the Sun's magnetic ...
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2answers
599 views

Artificial Magnetosphere to Terra-form Mars?

I was reading a 2017 article on a potential that Mars could be terraformed using a magneto-tail; A Future Mars Environment for Science and Exploration. This would basically entail sticking a giant ...
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1answer
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How much solar wind (mass) hits Mercury's north pole?

I understand the solar wind impacts and sputters the surface of Mercury's north pole due to it's magnetic field deflecting it around the planet.
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What would be the optimal times and conditions to watch for to try to hear whistlers?

I have an NASA Inspire VLF-3 radio receiver kit that I'm going to put together. It amplifies VLF electromagnetic signals that are already in the audio frequency range and makes them audible. One of ...
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Are artificial magnetic fields used or proposed to be used to shield astronauts from charged, high energy radiation? [duplicate]

If not for the earth's magnetic field our atmosphere would be bombarded by high energy plasma (ionized gas) from the sun and other space sources. Much of these particles have more energy than the ...
3
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1answer
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Is the recently discovered VLF-induced radiation barrier in any way important or useful?

There are several popular news articles that refer to this video, who's notes point to the NASA news item NASA's Van Allen Probes Spot Man-Made Barrier Shrouding Earth which points to the ...
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Is NASA doing research on “mini-magnetospheres” to protect crew from radiation in space?

The Phys.org article NASA proposes a magnetic shield to protect Mars' atmosphere says: ...Dr. Jim Green – the Director of NASA's Planetary Science Division – and a panel of researchers presented an ...
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Terraforming of Venus [duplicate]

Everyone is constantly focusing on the terraforming of Mars. However, how could one terraform Venus? The most obvious problems are the high pressure CO2 atmosphere, sulphuric rain, lack of water, lack ...
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How could an induced magnetosphere be created at Mars for terraforming?

In the long run Mars needs a magnetic field to keep a thick atmosphere and for radiation shielding, if humanity were to terraform it. Starting a dynamo in Mars' core seems forever impossible, but a ...