[ RadSafe ] Mars Radiation Won't Harm Astronauts, Curiosity Rover Finds

Sun Nov 18 21:36:15 CST 2012


Dan, watch the movie titled "the core", here is the trailer 

 http://www.youtube.com/watch?v=foAyvN6mVwQ&feature=youtube_gdata_player

Although many aspects of the technology used defy the laws that we currently know, but still interesting

Ahmad 


------------------------------
On Mon, Nov 19, 2012 2:59 AM AST (Arabian) Dan McCarn wrote:

>Hi -
>
>I've always wondered about that.  Are these fairly regular magnetic
>reversal events caused by something in the core? Or does the magnetic field
>of the Earth reflect the magnetic field of the sun?
>
>But many think that the Earth's magnetic field does not disappear during
>reversal, but behaves in a more chaotic way until N-S. or S-N orientation
>is achieved.  Thus, extinction events are unlikely.  Another hypothesis is
>that major impacts might trigger magnetic reversal, but there is no
>evidence of reversal during the K-T unconformity event.  There is thought
>that the magnetic field of Mars was lost during a series of episodic
>impacts. Plate tectonism seems to be absent on the Moon or Mars for several
>billion years, and the volcanic activity of Mars has declined significantly
>since 3-4 billion years ago suggesting that the "dynamo" in Mar's core
>ceased to function at that time.
>
>Dan ii
>
>
>On Sun, Nov 18, 2012 at 2:48 PM, <JPreisig at aol.com> wrote:
>
>> Hmmmm,
>>
>>       Perhaps the Earth will not be protected from  Cosmic Radiation, Solar
>> Events etc. the next time
>> the Earth's magnetic pole "flips" in polarity.  Will this cause mass
>> extinctions????
>> Something to think about...
>>
>>      Joe Preisig
>>
>>
>>
>>
>> In a message dated 11/18/2012 2:27:49 P.M. Eastern Standard Time,
>> hotgreenchile at gmail.com writes:
>>
>> Hi  David:
>>
>> Mars does have an iron-nickel core but it has lost it's magnetic  field up
>> to 3-4 billion years ago billion or so years ago, thus no  protection from
>> CME events.
>>
>> Earth may be luckier in this regard  since the early history of the earth
>> included a massive impact with a  planet-sized body, creating the moon and
>> possibly adding significant iron  for the core to keep us warm and
>> magnetic...
>>
>> Dan ii
>>
>>
>> On  Sun, Nov 18, 2012 at 9:34 AM, <dlawrencenewyork at aol.com>  wrote:
>>
>> > The curious part of this to me was when the AOL originally  posted the
>> link
>> > (The Huffington Post) it included in the teaser "Why  Man May Never Walk
>> on
>> > Mars".
>> >
>> >
>> > Now this article  also ignores the spikes in high energy protons levels
>> > from the Sun due  to coronal mass ejections. With no iron core this would
>> > not be  deflected by the planet, let alone on the mission.
>> >
>> >
>> >  Best Regards,
>> > David
>> >
>> >
>> > -----Original  Message-----
>> > From: Franz Schönhofer  <franz.schoenhofer at chello.at>
>> > To: radsafe  <radsafe at health.phys.iit.edu>
>> > Sent: Sun, Nov 18, 2012 9:56  am
>> > Subject: Re: [ RadSafe ] Mars Radiation Won't Harm Astronauts,  Curiosity
>> > Rover Finds
>> >
>> >
>> > Shane,
>> >
>> >  What a nice thought to travel and live on Mars in 400 years when I will
>> be
>> > 468 years old! Nice to send all those billion starving people to  Mars
>> for a
>> > better future! What an impetus for the industry to  construct all these
>> > space
>> > ship and especially the  infrastructure!
>> >
>> > Were you joking?
>> >
>> > I think that  there are more important and urgent problems on this tiny
>> > planet than  settling on
>> > Mars. (Irony off.)
>> >
>> >  Franz
>> >
>> >
>> >
>> > -----Ursprüngliche  Nachricht-----
>> > From: ProRadCon at aol.com
>> > Sent: Saturday,  November 17, 2012 6:29 PM
>> > To: radsafe at health.phys.iit.edu
>> >  Subject: [ RadSafe ] Mars Radiation Won't Harm Astronauts,Curiosity
>> Rover
>> > Finds
>> >
>> > Good news for those aspiring to go the  distance...hopefully Dr.
>> Hassler's
>> > scientific report will be publicly  available soon.  Or is it already
>> > available?
>> >
>> >  _Mars  Radiation Won't Harm Astronauts, Curiosity Rover Finds_
>> >  (
>> >
>>
>> http://www.huffingtonpost.com/2012/11/16/mars-radiation-astronauts_n_2144742.html?utm_hp
>> >
>>  _ref=science&icid=maing-grid10|htmlws-main-bb|dl12|sec3_lnk3&pLid=235709)
>> >
>> >
>> >  Manual Link:
>> >
>> > _
>> >
>> http://www.huffingtonpost.com/2012/11/16/mars-radiation-astronauts_n_214474
>> >
>> >
>>
>> 2.html?utm_hp_ref=science&icid=maing-grid10%7Chtmlws-main-bb%7Cdl12%7Csec3_l
>> >  nk3%26pLid%3D235709_
>> > (
>> >
>>
>> http://www.huffingtonpost.com/2012/11/16/mars-radiation-astronauts_n_2144742.html?utm_hp_ref=science&icid=maing-grid10|htmlws-main
>> >  -bb|dl12|sec3_lnk3&pLid=235709)
>> >
>> >
>> > Shane   Brightwell, MS, CHP
>> > President
>> > Professional Radiation  Consulting,  Inc.
>> > 7 Balmoral Drive
>> > Pittstown, NJ  08867
>> > Office: (908) 730-9224
>> > Fax: (720) 294-1153
>> >  Mobile: (631) 278-0610
>> > E-mail:  proradcon at aol.com
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>>
>> --
>> Dan ii
>>
>> Dan W  McCarn, Geologist
>> 108 Sherwood Blvd
>> Los Alamos, NM  87544-3425
>> +1-505-672-2014 (Home – New Mexico)
>> +1-505-670-8123 (Mobile -  New Mexico)
>> HotGreenChile at gmail.com (Private email) HotGreenChile at gmail  dot com
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>
>
>
>-- 
>Dan ii
>
>Dan W McCarn, Geologist
>108 Sherwood Blvd
>Los Alamos, NM 87544-3425
>+1-505-672-2014 (Home – New Mexico)
>+1-505-670-8123 (Mobile - New Mexico)
>HotGreenChile at gmail.com (Private email) HotGreenChile at gmail dot com
>_______________________________________________
>You are currently subscribed to the RadSafe mailing list
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>Before posting a message to RadSafe be sure to have read and understood the RadSafe rules. These can be found at: http://health.phys.iit.edu/radsaferules.html
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