Is Dark Energy A Force?

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The Terror

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Is Dark Energy A Force?
« on: May 13, 2008, 04:41:25 PM »
If Dark Energy is accelerating the Earth, sun, moon and stars at the same rate of acceleration despite the difference in masses, then presumably it can't be a force, in the same way that gravity isn't a force.

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Taters343

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Re: Is Dark Energy A Force?
« Reply #1 on: May 13, 2008, 05:32:04 PM »
Dark energy causes a force. I think.

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TheEngineer

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Re: Is Dark Energy A Force?
« Reply #2 on: May 13, 2008, 06:24:10 PM »
We don't know how the interaction of Dark Energy and our 'normal' energy/mass/whatever occurs.  Therefore,  it can be anything we need it to be.


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cbarnett97

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Re: Is Dark Energy A Force?
« Reply #3 on: May 15, 2008, 02:57:26 PM »
We don't know how the interaction of Dark Energy Gravity and our 'normal' energy/mass/whatever occurs.  Therefore,  it can be anything we need it to be.

Hmmmmm I think it still works
Only 2 things are infinite the universe and human stupidity, but I am not sure about the former.

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TheEngineer

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Re: Is Dark Energy A Force?
« Reply #4 on: May 15, 2008, 03:21:36 PM »
No, we know how gravity works.


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cbarnett97

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Re: Is Dark Energy A Force?
« Reply #5 on: May 15, 2008, 03:26:28 PM »
No, we know how gravity works.
Really? Did they find a gravitron while I was at work?
Only 2 things are infinite the universe and human stupidity, but I am not sure about the former.

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TheEngineer

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Re: Is Dark Energy A Force?
« Reply #6 on: May 15, 2008, 03:27:32 PM »
What does that have to do with gravity?   ???


You are right, though, the Gravitrons are becoming more and more rare every year.  Finding one is becoming quite difficult.


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cbarnett97

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Re: Is Dark Energy A Force?
« Reply #7 on: May 15, 2008, 03:28:40 PM »
We don't know how the interaction of Dark Energy and our 'normal' energy/mass/whatever occurs.  Therefore,  it can be anything we need it to be.
Only 2 things are infinite the universe and human stupidity, but I am not sure about the former.

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TheEngineer

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Re: Is Dark Energy A Force?
« Reply #8 on: May 15, 2008, 03:33:29 PM »
And what does that have to do with gravity?


"I haven't been wrong since 1961, when I thought I made a mistake."
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The Terror

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Re: Is Dark Energy A Force?
« Reply #9 on: May 15, 2008, 03:54:35 PM »
We might know that mass bends spacetime, but we don't know how.

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TheEngineer

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Re: Is Dark Energy A Force?
« Reply #10 on: May 15, 2008, 03:55:01 PM »
What does that have to do with anything?


"I haven't been wrong since 1961, when I thought I made a mistake."
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The Terror

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Re: Is Dark Energy A Force?
« Reply #11 on: May 15, 2008, 03:56:43 PM »
Well, you said you knew how gravity works

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TheEngineer

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Re: Is Dark Energy A Force?
« Reply #12 on: May 15, 2008, 03:57:19 PM »
Right.  I know exactly how gravity works.


"I haven't been wrong since 1961, when I thought I made a mistake."
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The Terror

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Re: Is Dark Energy A Force?
« Reply #13 on: May 15, 2008, 04:06:24 PM »
How does it work then?

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TheEngineer

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Re: Is Dark Energy A Force?
« Reply #14 on: May 15, 2008, 04:09:44 PM »
It is a fictitious force that arises due to the transformation of a non inertial frame of reference into an inertial one.


"I haven't been wrong since 1961, when I thought I made a mistake."
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The Terror

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Re: Is Dark Energy A Force?
« Reply #15 on: May 15, 2008, 04:11:03 PM »
Hmmm. What does inertial mean?

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Taters343

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Re: Is Dark Energy A Force?
« Reply #16 on: May 15, 2008, 04:11:26 PM »
I don't get how mass causes attraction though, it doesn't make sense to me.

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TheEngineer

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Re: Is Dark Energy A Force?
« Reply #17 on: May 15, 2008, 04:13:15 PM »
Hmmm. What does inertial mean?
A frame that is not accelerating.


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The Terror

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Re: Is Dark Energy A Force?
« Reply #18 on: May 15, 2008, 04:14:55 PM »
Hmmm. What does non inertial mean?

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TheEngineer

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Re: Is Dark Energy A Force?
« Reply #19 on: May 15, 2008, 04:15:54 PM »
A frame that is not...inertial.


"I haven't been wrong since 1961, when I thought I made a mistake."
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The Terror

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Re: Is Dark Energy A Force?
« Reply #20 on: May 15, 2008, 04:17:38 PM »
Hmmm. What does inertial mean again? I wasn't listening the first time.

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Taters343

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Re: Is Dark Energy A Force?
« Reply #21 on: May 15, 2008, 04:18:27 PM »
Hmmm. What does inertial mean again? I wasn't listening the first time.

Go back and read it. Don't be stupid.

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The Terror

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Re: Is Dark Energy A Force?
« Reply #22 on: May 15, 2008, 04:28:10 PM »
I can't help being stupid  :'(

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Taters343

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Re: Is Dark Energy A Force?
« Reply #23 on: May 15, 2008, 04:29:31 PM »
I do believe you can. Being the wizard of Oz I can indeed say you had the brains all along.

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The Terror

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Re: Is Dark Energy A Force?
« Reply #24 on: May 15, 2008, 04:32:51 PM »
I can feel my brain kicking in again. Woooo!

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Colonel Gaydafi

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Re: Is Dark Energy A Force?
« Reply #25 on: May 15, 2008, 04:58:16 PM »
TheTerror can't help it...
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there is a difference between touching a muff and putting your hand into it isn't there?

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The Terror

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Re: Is Dark Energy A Force?
« Reply #26 on: May 15, 2008, 05:09:26 PM »
Doctor Robot-Ham, if you please.

Back to business -

If Dark Energy isn't a force, then presumbly the only other way it could accelerate the Earth is by some kind of expanding wave of curvy spacetime which always pushes the Earth upwards. Only problem is, such a wave would accelerate all matter, not just the Earth but also everything and everyone on it. As a result the gravity effect wouldn't exist and we'd all be floating around.