Freethought & Rationalism Archive

Jesse · 09-07-2002, 06:54 PM

Other articles I'd read made me think the case for eternal expansion was close to settled, but this one suggests it's still up in the air whether the universe will expand forever or collapse:

<a href="http://www.newscientist.com/news/news.jsp?id=ns99992759" target="_blank">http://www.newscientist.com/news/news.jsp?id=ns99992759</a>

eh · 09-08-2002, 06:40 AM

That's odd. I never heard that the cosmological constant would decrease over time - but rather get bigger as the more empty space you have, the more effects of this dark energy.

I guess it all depends on finding out exactly what this dark energy is.

Answerer · 09-08-2002, 06:16 PM

Can anyone please kindly explain what is the the scalar field of dark energy mathematically?

Mark_Chid · 09-08-2002, 06:50 PM

Quote:

Originally posted by eh:
<strong>That's odd. I never heard that the cosmological constant would decrease over time - but rather get bigger as the more empty space you have, the more effects of this dark energy.

I guess it all depends on finding out exactly what this dark energy is.</strong>

The dark energy is made up of all the misisng socks and ballpoint pens in the universe.

echidna · 09-08-2002, 07:42 PM

Judging by my partner�s sock drawer and armchair recesses (she has 2 ankle biters), easily ample material to generate The Big Crunch.

Is it just me, or should the �exceedingly speculative� paragraph come at the start of these articles rather than the end ?

09-07-2002, 06:54 PM	#1
Jesse Moderator - Science Discussions Join Date: Feb 2001 Location: Providence, RI, USA Posts: 9,908	Universe might yet collapse in big crunch Other articles I'd read made me think the case for eternal expansion was close to settled, but this one suggests it's still up in the air whether the universe will expand forever or collapse: <a href="http://www.newscientist.com/news/news.jsp?id=ns99992759" target="_blank">http://www.newscientist.com/news/news.jsp?id=ns99992759</a>

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09-08-2002, 06:40 AM	#2
eh Senior Member Join Date: Sep 2000 Location: Canada Posts: 624	That's odd. I never heard that the cosmological constant would decrease over time - but rather get bigger as the more empty space you have, the more effects of this dark energy. I guess it all depends on finding out exactly what this dark energy is.

09-08-2002, 06:16 PM	#3
Answerer Veteran Member Join Date: Feb 2002 Location: Singapore Posts: 3,956	Can anyone please kindly explain what is the the scalar field of dark energy mathematically?

09-08-2002, 07:42 PM	#5
echidna Veteran Member Join Date: May 2001 Location: Melbourne, Australia Posts: 2,832	Judging by my partner�s sock drawer and armchair recesses (she has 2 ankle biters), easily ample material to generate The Big Crunch. Is it just me, or should the �exceedingly speculative� paragraph come at the start of these articles rather than the end ?

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