MadSci Network: Astronomy
Query:

Re: Is it possible to live on(near) Jupiter?

Date: Wed May 31 08:36:47 2000
Posted By: Donald Terndrup, Faculty, Astronomy, Ohio State University
Area of science: Astronomy
ID: 959073832.As
Message:

Magnetic fields by themselves would be harmless for humans.  We are
constantly in the Earth's magnetic field, and as we pass by various
electrical devices we can sometimes experience magnetic field strengths
which are considerably stronger.

Magnetic fields affect charged particles, and since our bodies are
electrically neutral (overall), there is no effect.  I do not believe
there are physiological effects on things like nerve transmission
(which makes use of charged ions) until magnetic fields are extremely
strong.

But as on the Earth, Jupiter's magnetic field can trap charged
particles from the solar wind.  These charged particles CAN be quite
harmful.  Astronauts in earth orbit receive quite a dose of radiation
if they pass through the van Allen belts, which hold a large number
of charged particles.  The auroral activity on Jupiter is (in many
places) quite intense, and Jupiter has significant areas with lots
of trapped electrons, too.  This may pose a problem:  future astronauts
would have to limit the amount of time they spend in the areas of
highest radiation.


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