How Does Solar Wind Affect Earth's Electric Environment?

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SUMMARY

The discussion focuses on the impact of solar wind on Earth's electric environment, specifically examining the density and speed of protons in the solar wind, which are measured at 8.90 cm-3 and 490 km/s, respectively. Participants are encouraged to calculate the current density of these protons and the total current Earth would receive if its magnetic field did not deflect them. The forum emphasizes the importance of demonstrating preliminary work before seeking answers to homework-related questions.

PREREQUISITES
  • Understanding of solar wind dynamics
  • Knowledge of current density calculations
  • Familiarity with Earth's magnetic field properties
  • Basic physics principles related to particle motion
NEXT STEPS
  • Research the formula for calculating current density in plasma physics
  • Learn about the effects of solar wind on Earth's magnetosphere
  • Explore the implications of solar wind on satellite operations
  • Study the relationship between solar activity and space weather phenomena
USEFUL FOR

Astronomers, space weather researchers, physics students, and anyone interested in the interactions between solar phenomena and Earth's environment.

Sanjay101
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Near Earth, the density of protons in the solar wind (a stream of particles from the Sun) is 8.90 cm-3 and their speed is about 490 km/s.

a. Find the current density of these protons.



b. If Earth's magnetic field did not deflect the protons, what total current would Earth receive?
 
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You should:

1) post homework questions in our homework section

2) follow the rules there, of which the main rule is: show some work first.

I move this to hw, but you shouldn't expect any answer before you show some work.
 
Last edited:

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