Use moon as generator w earths magnet field

Click For Summary
SUMMARY

The discussion centers on the feasibility of generating energy on the Moon using Earth's magnetic field. It is established that while a moving magnetic field can induce current in a wire, the Earth's magnetic field strength at the Moon's distance is insufficient for significant energy production. The field strength is approximately 0.5 Gauss at Earth's surface, which diminishes with distance. Although the concept of harnessing energy from the Moon's orbit is intriguing, it is not a viable source of free energy due to the low power output compared to the costs involved in lunar missions.

PREREQUISITES
  • Understanding of electromagnetic induction principles
  • Familiarity with Earth's magnetic field characteristics
  • Knowledge of energy generation methods
  • Basic concepts of orbital mechanics
NEXT STEPS
  • Research electromagnetic induction and its applications
  • Study the characteristics of Earth's magnetic field in detail
  • Explore energy generation technologies suitable for extraterrestrial environments
  • Investigate the costs and logistics of lunar missions
USEFUL FOR

Scientists, engineers, and researchers interested in energy generation in space, particularly those exploring the potential of lunar resources and electromagnetic principles.

david paradiso
Messages
1
Reaction score
0
A moving magnetic field will produce current in a wire. The Earth's magnet field goes beyond the moon. Does that mean bases on the moon could somehow get free energy from a coil setup as it's effectively perpetually moving through Earth's magnetic field?
 
Physics news on Phys.org
david paradiso said:
A moving magnetic field will produce current in a wire. The Earth's magnet field goes beyond the moon. Does that mean bases on the moon could somehow get free energy from a coil setup as it's effectively perpetually moving through Earth's magnetic field?

It wouldn't be free energy, but you could use the moon's motion to power something (i.e. you would be stealing energy from the moon's orbit)...how much power would be produced I am not sure at all, the Earth's magnetic field, especially at the distance where the moon is, is not all that strong. Even at the surface of the Earth, the field strength is ~ .5guass.
 
You might want to estimate how much power you would get and compare that with the cost of a moon shot.
 

Similar threads

  • · Replies 5 ·
Replies
5
Views
1K
  • · Replies 14 ·
Replies
14
Views
2K
  • · Replies 7 ·
Replies
7
Views
2K
  • · Replies 6 ·
Replies
6
Views
2K
  • · Replies 8 ·
Replies
8
Views
2K
  • · Replies 5 ·
Replies
5
Views
3K
  • · Replies 6 ·
Replies
6
Views
2K
  • · Replies 7 ·
Replies
7
Views
3K
  • · Replies 42 ·
2
Replies
42
Views
3K
  • · Replies 1 ·
Replies
1
Views
2K