(April 6, 2014 at 6:16 pm)Deidre32 Wrote:

(April 6, 2014 at 5:01 pm)Cthulhu Dreaming Wrote: If we're going to be that inclusive, I'd say the answer is wrong.

Dark energy dwarfs dark matter in the universe's mass/energy budget.

I thought dark matter is dominate, no?

Nope.

We will have to agree to disagree as that is my understanding of dark matter.

(April 6, 2014 at 6:36 pm)Cthulhu Dreaming Wrote:

(April 6, 2014 at 6:16 pm)Deidre32 Wrote: I thought dark matter is dominate, no?

Nope.

Actually, since E=mc^2, there's less dark energy equivalent than dark matter.

(April 6, 2014 at 7:36 pm)rasetsu Wrote:

(April 6, 2014 at 6:36 pm)Cthulhu Dreaming Wrote: Nope.

Actually, since E=mc^2, there's less dark energy equivalent than dark matter.

http://en.m.wikipedia.org/wiki/Dark_matter

First pie chart.

(April 6, 2014 at 7:38 pm)Cthulhu Dreaming Wrote:

(April 6, 2014 at 7:36 pm)rasetsu Wrote: Actually, since E=mc^2, there's less dark energy equivalent than dark matter.

http://en.m.wikipedia.org/wiki/Dark_matter

First pie chart.

My bad.

(April 6, 2014 at 7:44 pm)rasetsu Wrote:

(April 6, 2014 at 7:38 pm)Cthulhu Dreaming Wrote: http://en.m.wikipedia.org/wiki/Dark_matter

First pie chart.

You forgot to multiply the mass of dark matter by c^2 to arrive at its equivalent in energy.

I'd suggest taking it up with the Planck team.

Quote:According to the Planck mission team, and based on the standard model of cosmology, on a mass–energy equivalence basis the universe contains 26.8% dark matter and 68.3% dark energy (for a total of 95.1%) and 4.9% ordinary matter.[2][3][4][5]

Okay, I did some reading and you are right, Cthulhu. Lol

Dark energy makes up about 73% of the total mass and energy while dark matter makes up 23%.
Why I wonder, did I read many times over that dark matter is dominate. Hmmm...either way, I learned something today, so thanks. :-)

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Edited to add, I just noticed your quote, I was on my phone and couldn't see it. On my laptop now, and yes...the numbers I found were slightly higher, but the ratio is the same. So, again, yes...thanks for the clarfication.

I believe Matter = energy as stated by E=MC^2 applies to dark energy as well as dark matter.

But there the equivalence ends.

Dark energy = matter with negative mass.

Dark matter = matter with positive mass.

Thus in the effect of summation dark energy = negative energy = negative mass =\= dark matter.

Outside energy summation the properties of dark energy is also profoundly different from dark matter. Dark energy as far as I know is a homogenous property of space itself, dark matter exists in space, and is distributed highly non homogenously across space.

The total magnitude of dark energy or negative mass vastly exceeds the total magnitude of dark matter, or positive mass.

(April 6, 2014 at 9:19 pm)Deidre32 Wrote: Okay, I did some reading and you are right, Cthulhu. Lol

Dark energy makes up about 73% of the total mass and energy while dark matter makes up 23%.
Why I wonder, did I read many times over that dark matter is dominate. Hmmm...either way, I learned something today, so thanks. :-)

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Edited to add, I just noticed your quote, I was on my phone and couldn't see it. On my laptop now, and yes...the numbers I found were slightly higher, but the ratio is the same. So, again, yes...thanks for the clarfication.

The larger numbers you found were likely estimates from WMAP. The Planck figures are thought to be more accurate. Either way, as you noted, the ratio is roughly the same.

I honestly believe that human stupidity is the biggest 'thing' in the universe, since I can't imagine anything being bigger than that