How Will the World End? Post: 302551047

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The Lounge What is on Your Mind? How Will the World End? Post 302551047 by wabard on Monday 29th of August 2011 07:49:39 AM

08-29-2011

Registered User

Quote:

Originally Posted by KenJackson

You scanned the list too quickly.

I understand most astronomers and cosmologists agree that number 1, "Red giant expansion of our Sun burns up the Earth", will happen no more than 5 billion years from now. The physical earth will be toasted, torn apart and absorbed.

Also, number 7, "The Big Crunch", probably refers to the expansion of the universe ending and then collapsing to the opposite of the big bang. I understand most believe this will not happen. But if it did, the physical earth would end up being compressed into the singularity.

And the last one, "Scientists trying to simulate a black hole will succeed", silly as it is, would physically destroy the earth.

I think #1 is out, as the Earth's orbit will widen as the sun starts to expand and will most likely survive. The impact theory has a much higher chance of causing the earth to dive into the sun, but a greater chance of being ejected completely from the solar system.

If you take the latest (supported) theories, then #7 is basically out (due to acceleration). There is a proponent of the "Variable Speed of Light" (Magueijo), which I think results in a non-accelerating universe. If this is true, then the "great crunch" may be possible. There is one thought which is similar to #7... if you believe in the concept of "branes", we could be "collapsed" into non-existence via two branes colliding, resulting in another "Big Bang"... not really a crunch, more like the "Great Collision", like being smacked up side the head with a bat or banging your head against a wall ... Smilie

ha ha

The last one is also out as the size of the Black hole created by the LHC results in an almost instantaneous evaporation via Hawkings Radiation.

All seriousness aside... good poll, make a person smile inside... (for those Darwinist among us Smilie

)

wabard

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LEARN ABOUT REDHAT

automount2amd

AUTOMOUNT2AMD(8L)														 AUTOMOUNT2AMD(8L)

NAME

       automount2amd - converts old Sun automount maps to Amd maps

SYNOPSIS

       automount2amd auto.map

DESCRIPTION

       automount2amd is used to convert an old Sun automount maps named auto.map to an Amd map.

       This perl script will use the following /default entry
	   type:=nfs;opts:=rw,grpid,nosuid,utimeout=600
       If you wish to override that, define the $DEFAULTS environment variable, or modify the script.

       If  you	wish to generate Amd maps using the hostd (host domain) Amd map syntax, then define the environment variable $DOMAIN or modify the
       script.

EXAMPLE

       Say you have the Sun automount file auto.foo, with these two lines:
	 home		       earth:/home
	 moon  -ro,intr        server:/proj/images
       Running
	   automount2amd auto.foo > amd.foo
       will produce the Amd map amd.foo with this content:
       # generated by automount2amd on Sat Aug 14 17:59:32 US/Eastern 1999

       /defaults 
	 type:=nfs;opts:=rw,grpid,nosuid,utimeout=600

       home   host==earth;type:=link;fs:=/home 
	 rhost:=earth;rfs:=/home

       moon   -addopts:=ro,intr 
	 host==server;type:=link;fs:=/proj/images 
	 rhost:=server;rfs:=/proj/images

BUGS

       automount2amd does not understand newer Sun Automount map syntax, those used by autofs.

SEE ALSO

       conv2amd(8),amd(8).

AUTHORS

       Original author Mike Walker <mike@tab00.larc.nasa.gov>.	Script modified by Erez Zadok <ezk@cs.columbia.edu>, Department of  Computer  Sci-
       ence, Columbia University, New York, USA.

								    24 May 1993 						 AUTOMOUNT2AMD(8L)