Questions tagged [magnetic-field]
Questions regarding magnetic fields.
10
questions with no upvoted or accepted answers
5
votes
1answer
140 views
Do narrow lines in the spectra of O- and B- type stars always indicate magnetic fields?
I was reading a paper on the differential emission measures of a set of hot O- and B- type stars. As the authors discuss in Section 3 (page 959), two stars, $\tau$ Sco and $\theta^1$ Ori C, have ...
4
votes
0answers
53 views
Cause of ~10 minute Oscillations in Low Energy Electron Flux in Earth's Magnetosphere
I am analyzing data from an instrument that measures low energy electron flux at Geo-Stationary orbit. There are sharp oscillations in the particle flux of 30 eV electrons occurring from about noon ...
3
votes
0answers
20 views
Superconducting space dust; what transient fields could induce persistent current loops?
Science Alert's Superconductivity Has Been Discovered in Meteorites For The First Time quotes from Superconductivity found in meteorites (Wampler et al. PNAS March 23, 2020)
The paper describes the ...
2
votes
0answers
28 views
Would magnetic reversals on Ganymede affect radiation levels at the surface?
Currently the intrinsic magnetic field of Ganymede is anti-aligned with respect to the Jovian magnetic field. If this situation changed to become aligned, either due to magnetic reversals of the ...
2
votes
0answers
37 views
What are the sources of antimatter particles in the magnetosphere?
The PAMELA instrument detected antimatter particles in the Earth's magnetosphere. What are the sources of these particles?
The answer to Source of high energy cosmic particles outlines the sources ...
2
votes
0answers
43 views
What influence does the Interplanetary Magnetic Field have on Planetary Orbits?
CONTEXT
The equation $F_D=\frac{GMm}{D^2}$ is a standard equation in Newtonian gravitation. It describes the centripetal force exerted, by a source mass$M$, on a target particle of mass $m$ located ...
2
votes
0answers
86 views
Can we determine where the north and south magnetic poles are on stars and black holes?
The question is related to this about Are there collected data about the direction of rotation of black holes and the direction of the magnetic field?. Perhaps it is observable for pulsars?
1
vote
0answers
31 views
Energy of a charged particle in the magnetosphere
I asked this question on physics.stackexchange, but as it is a space/magnetosphere question maybe someone here can help me out:
Taking the earth as an idealized dipole and the E field from the sun ...
1
vote
0answers
27 views
Magneto tail effect on the other planet in a binary planet system
Let's say there are 2 earth sized planets orbiting each other around 750,000km apart and at a distance of roughly 1.2 AU from a sunlike star with a mass of 1.105 solar masses. Since they are binary, ...
1
vote
1answer
93 views
Do planetary magnetic fields slow the movement of conductive extraplanetary moving objects via induction?
A fixed magnetic field will induce an electrical current in a conductive object moving through the field. The strength of the eddy currents will depend on the shape and composition of the conductor ...
