Questions tagged [magnetic-field]
Questions regarding fields of magnetisms and their effects on Space Exploration, such as the Earth's magnetic field.
115 questions
2votes
1answer
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Modeling magnetometer for attitude estimation
I am trying to model a magnetometer for attitude estimation of a CubeSat. I am confused on whether to use my estimated position from GPS or my true position from dynamics when calculating my magnetic ...
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8votes
1answer
2kviews
Can a thunderstorm affect a satellite in low earth orbit?
Clouds build up strong static electric charges. Magnetism is an emergent phenomenon of the length contraction of electric fields. Due to the strength of EM interaction, even very slow movement can ...
3votes
0answers
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How can one collect interstellar dust using lasers or magnetic fields?
In this episode from Isaac Arthur about building artificial stars, he mentions that most mass (ignoring dark matter and energy) is not contained in the stars themselves, but in the interstellar dust ...
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7votes
1answer
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Did Mariner 9 have a magnetometer?
While doing research for this question, I found conflicting info on Mariner 9. There are websites that say it included a magnetometer, such as here and here. But NASA's site doesn't list it and ...
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0votes
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Can infrastructure for generating a protective artificial magnetic field around a planet also be used to propel nearby spacecraft?
This is an attempt at "...maybe you scientists whizzes can visualize what I'm talking about and explain it better." from this closed question. If a well-established colony on the Moon or ...
- 9,353
0votes
1answer
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How to select the right magnetic torquers to desaturate a wheel?
I want to select actuators for a micro-satellite (around 40 kg) orbiting in LEO. I proceeded in calculating the maximum disturbance torques that affect my spacecraft and selecting proper reaction ...
2votes
1answer
287views
Is Electromagnetic Propulsion Like Radiation Pressure propulsion?
while browsing for new propulsion methods I found the following interesting: https://en.wikipedia.org/wiki/Radiation_pressure "Radiation pressure (also known as light pressure) is the mechanical ...
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1vote
0answers
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How do I simulate a magnetometer and get an attitude?
I consider that I have a single magnetometer (i don't know if I need more), how can I model that sensor? This was my idea: Consider a random unit length vector $\textbf{m}$ which is the magnetic field ...
6votes
1answer
287views
Can we use magnets to land a spaceship (Starship)?
Can we use magnets to land a spaceship (Starship)? We could give the landing legs a magnetic flat surface or something and then the controller can reduce the magnetic strength or in other words, ...
1vote
2answers
214views
How to calculate the force applied by a magnetorquer on a piece of a perfect ferromagnetic material?
How to calculate the force applied by a magnetorquer on a piece of a perfect ferromagnetic material at a particular distance in vacuum given that I know the actuatuon (in Am2) https://www.isispace.nl/...
11votes
1answer
147views
How many solar system bodies have had their magnetic fields directly measured?
Discussion below this post lead me to wonder: Question: How many solar system bodies have had their magnetic fields directly measured? Inferences from radio or spectroscopic observations don't count ...
- 153k
4votes
1answer
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Would it be possible to use a electrodynamic tether or similar device on or within Europa to generate electricity from Jupiter's magnetosphere?
I was reading about the idea of using an electrodynamic tether to generate electricity for satellites in Earth's orbit using the planet's magnetic field, generating electricity but gradually lowering ...
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Why is Aurora Australis less popular? [closed]
The Aurora Borealis(Northern Lights), in the North, gets more publicity, than the (Southern Lights) Aurora Australis, Why is it so?
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1answer
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Why exactly did SOLRAD 1 have a magnet? Why weren't its interactions with Earth's magnetic field anticipated?
Wikipedia's SOLRAD_1; Scientific results says: The satellite communicated results in real-time, which meant that data could only be received when there was a tracking station within range – either ...
- 153k
25votes
5answers
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Why doesn't the ISS orient itself to the Earth's magnetic field like a compass needle?
I was watching this video of a magnet aboard the ISS floating freely. When the person lets go of the magnet, it behaves like a compass needle and immediately orients itself to the magnetic field of ...
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