[meteorite-list] Death Star Story - Link corrected

From: countdeiro at earthlink.net <countdeiro_at_meteoritecentral.com>
Date: Thu, 7 Jan 2010 12:26:06 -0500 (EST)
Message-ID: <28255805.1262885166512.JavaMail.root_at_wamui-haziran.atl.sa.earthlink.net>

Sterling, Larry and List,

So, am I right in assuming that a GRB as close as a 1000 parsecs would result in the production of massive amounts of nitrous oxides in the atmosphere ...and ...and... we will laugh ourselves to death?

Guido

-----Original Message-----
>From: lebofsky at lpl.arizona.edu
>Sent: Jan 7, 2010 6:46 AM
>To: "Sterling K. Webb" <sterling_k_webb at sbcglobal.net>
>Cc: countdeiro at earthlink.net, meteorite-list at meteoritecentral.com
>Subject: Re: [meteorite-list] Death Star Story - Link corrected
>
>
>Hi Sterling:
>
>Thanks for researching that. This is the problem of a press release that
>is not followed up with what probably actually went on at the actual
>session where the paper was presented.
>
>Larry
>
>
>> Dear Count, and Listoids,
>>
>> Another story:
>> http://www.popsci.com/technology/article/2010-01/star-verge-supernova-could-threaten-life-earth
>>
>> And another:
>> http://www.spacedaily.com/reports/T_Pyxidis_Soon_To_Be_A_Type_Ia_Supernova_999.html
>>
>> And another:
>> http://www.astronomy.com/asy/default.aspx?c=a&id=8944
>>
>> All taken from the same press release, you will note.
>>
>> And all equally in error about The End Of All Life As
>> We Know It. It's a math mistake: "However, Dr. Sion's
>> calculations were challenged by Prof. Alex Fillipenko
>> who said that Sion had possibly miscalculated the
>> damage that could be caused by a T Pyxidis supernova.
>> He had used data for a far more deadly gamma-ray burst
>> (GRB) exploding 3,260 light-years from Earth, not a
>> supernova, and T Pyxidis certainly isn't expected to
>> produce a GRB. According to an another expert,
>> "A supernova would have to be 10 times closer [to Earth]
>> to do the damage described."
>> http://en.wikipedia.org/wiki/T_Pyxidis
>>
>> Information about nearby supernovas of the recent past:
>> http://science.nasa.gov/headlines/y2003/06jan_bubble.htm
>>
>> The truth is a supernova would be disastrous at 25 light
>> years away (not 3260). 50 light years away and it would
>> cause some damage, although it's hard to say how much.
>> 100 light years away and it would be the action movie of
>> all time but you might worry that you sat too near to the
>> screen. There are two kinds (strengths) of supernovas. For
>> the Big One, I'd want to sit further away than the 300 Light
>> Year Line
>>
>> But 3260 light years? Fergettabouttit!
>>
>> Now, I can go to bed without worrying about a darn
>> Supernova...
>>
>> It's always something.
>>
>>
>> Sterling K. Webb
>> --------------------------------------------------------------------------------------
>> ----- Original Message -----
>> From: <countdeiro at earthlink.net>
>> To: <meteorite-list at meteoritecentral.com>
>> Sent: Thursday, January 07, 2010 1:18 AM
>> Subject: [meteorite-list] Death Star Story - Link corrected
>>
>>
>>>
>>> Sorry List,
>>> Here is corrected link re previous Death Star post.
>>> Count Deiro
>>>
>>> http://www.thesun.co.uk/sol/homepage/news/2795981/Supernova-may-wipe-out-the-Earth.html
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>
>
Received on Thu 07 Jan 2010 12:26:06 PM PST