Yousuf Khan wrote:
>
> On 3/8/2017 12:51 PM, S Ergio wrote:
> > thanks for the info,
> >
> > that dude should have provided the numbers to back himself up, back of
> > the envelope should do.
>
> I'm sure he has, this is just a popular science article which summarizes
> his proposal, and gives you an idea about what some scientists have come
> up with. It's up to you to go see his original proposal paper, if you
> want more details.
>
> > so how much is the field 655,000 miles away from a one T source ?
>
> Actually the magnetic field strength drops away by a factor of inverse
> cubed not inverse squared. But it really doesn't matter how strong the
> magnetic field is at the surface of Mars, just so long as it's ahead of
> Mars and it produces a large enough bow shock pattern, similar to how
> the bow shock pattern is produced ahead of Earth, diverting the solar
> wind away from Earth.
>
> > how much fuel on board with the sattilite need to compensate for pushing
> > particals around?
>
> Don't know, perhaps they'll find a clever way to use the magnetic field
> itself as a propulsion tool to keep it stable in the L1?
>
> > Gamma rays are not deflected and come in at full strength to the ground,
> > on earth the atmosphere protects us from 95% of them. so how much gamma
> > can a crew take ? a year or two ?
>
> The magnetic field doesn't protect against any kind of EM radiation, no
> matter what. All it protects against is the solar winds. This in turn
> creates a shield of the upper atmosphere to protect against the high
> energy photons from penetrating into the lower atmosphere.
>
> Fortunately, gamma rays are usually an uncommon type of photons in the
> universe, as most of the gamma rays occur inside the cores of stars
> during nuclear fusion, and they all get diffused into lower energy
> photons by the time they exit the star's photosphere. Most sources of
> raw gamma rays are things such as supernovas and quasars, and those are
> very directional in their nature. Another advantage is that these
> sources of gamma rays are also pretty distant.
>
> > and again, to cosmic rays, at what angle can they be deflected from
> > orgional their path, using a magnetic field, is it only 1 or 2 degrees ?
>
> Earth's magnetic field doesn't stop cosmic rays either, they tend to hit
> the Earth relatively unopposed. Again fortunately due to the fact that
> cosmic rays are high energy particles produced by supernovas and active
> galactic nuclei, they are relatively rare. Most of the cosmic rays are
> diverted by the Sun's magnetic field rather than any single planet's
> (though Jupiter's might be strong enough to divert some too).
>
> Most cosmic rays are travelling at relativistic speeds, so no puny
> magnetic field short of a magnetar is going to do much to divert any
> cosmic rays. We used to use cosmic ray showers in the atmosphere to
> detect new particles, prior to the advent of supercolliders.
"This may sound “fanciful” but new research is starting
to emerge revealing that a miniature magnetsphere can
be used to protect humans
and spacecraft."
He could at least learn how to spel....magnetsphere.
http://www.hou.usra.edu/meetings/V2050/pdf/8250.pdf
fan·ci·ful
'fans?f?l/
adjective
adjective: fanciful
(of a person or their thoughts and ideas) overimaginative and unrealistic.
At least he's honest about his thinking...unrealstic.
Put him in charge of ...NASA.