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Recent stats. on our Universe


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16 replies to this topic

#1    j6p

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Posted 13 February 2003 - 08:16 PM

                                                Universe is 13.7 billion years old with only a 1% margin error.

First stars ignited 200 million years after the Big Bang.

Content of the Universe:
4% Atoms, 23% Cold Dark Matter, 73% Dark energy.

Expansion rate (Hubble constant) value: Ho= 71 km/sec/Mpc (with a margin of error of about 5%) "ok"

Fate of the Universe: it will expand forever..."I don't think so." j6p  



user posted image


                                                


#2    FreyKade

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Posted 14 February 2003 - 12:28 AM

                                                what is dark energy?

is dark matter the same as anti-matter?

and what about normal energy such as radiation, light etc                                                

"isn't that intresting Dave, i mean every step you take down that chain, takes you one step further from your imagination"

i said
"you're right! youre a bit of a hippy, but you're right"
- Dave Gorman

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"I got some pegs belonging to you"
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#3    Homer

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Posted 14 February 2003 - 02:13 AM

                                                what is dark energy?
Energy that pushes matter apart at an ever increasing rate, and is thought to be the reason for the continued expansion of the universe.

is dark matter the same as anti-matter?
Nope. Dark matter is non-luminous matter, that cannot be directly detected by observing any form of light, but whose existence is suggested because of the effects of its gravity on the rotation rate of galaxies and the presence of clusters of galaxies. Anti-matter is matter with reversed polarity.

and what about normal energy such as radiation, light etc
I don't understand the question                                                

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#4    FreyKade

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Posted 14 February 2003 - 03:04 AM

QUOTE (j6p @ Feb 13 2003, 08:16 PM)

Content of the Universe:
4% Atoms, 23% Cold Dark Matter, 73% Dark energy.


                                                so, does this mean that energy forms make up less than 1% of the universe?                                                

"isn't that intresting Dave, i mean every step you take down that chain, takes you one step further from your imagination"

i said
"you're right! youre a bit of a hippy, but you're right"
- Dave Gorman

"Wanna buy some pegs Dave?"
"I got some pegs belonging to you"
- Papa Lazarou

#5    j6p

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Posted 14 February 2003 - 04:20 AM

                                                Everything is a form of energy, everything.
It's facinating to think that what makes up you and me and everything that exists was and probably will be again, inside of a star.                                                


#6    FreyKade

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Posted 14 February 2003 - 04:42 AM

                                                o yeh, forgot about that. poo                                                

"isn't that intresting Dave, i mean every step you take down that chain, takes you one step further from your imagination"

i said
"you're right! youre a bit of a hippy, but you're right"
- Dave Gorman

"Wanna buy some pegs Dave?"
"I got some pegs belonging to you"
- Papa Lazarou

#7    Loonboy

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Posted 14 February 2003 - 05:34 PM

                                                

I always knew I was a


STAR

tongue.gif                                                


Do what you want and be what you feel. Because after all, those who mind don't matter, and those who matter don't 'mind.

Work hard, keep the ceremonies, live peacably, and unite your hearts. – Hopi

Listen to the voice of nature, for it holds treasures for you. – Huron

The soul would have no rainbow if the eyes had no tears. – Minquass


#8    Homer

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Posted 15 February 2003 - 04:45 AM

                                                In that case, I'm a

QUASAR

tongue.gif                                                

אַ֭תָּה אֱלֹהֵ֣י יִשְׁעִ֑י

#9    Kira

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Posted 15 February 2003 - 08:14 AM

                                                rolleyes.gifbiggrin.gif biggrin.gif biggrin.gif@ Homer & Loonboy.


Ok then so does that mean that I'm a BLACK HOLE???  biggrin.gif  tongue.gif biggrin.gif                                                

We do what we do because of who we are. If we did otherwise, we would not be ourselves.

#10    Druss

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Posted 15 February 2003 - 06:56 PM

                                                More a celestial body I would say
biggrin.gif  smile.gif  biggrin.gif                                                  

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#11    Kira

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Posted 15 February 2003 - 07:13 PM

                                                 blush.gif  blush.gif  blush.gif awww Shucks  biggrin.gif                                                

We do what we do because of who we are. If we did otherwise, we would not be ourselves.

#12    FreyKade

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Posted 16 February 2003 - 06:01 PM

                                                im just a void of emptiness waiting to be filled                                                

"isn't that intresting Dave, i mean every step you take down that chain, takes you one step further from your imagination"

i said
"you're right! youre a bit of a hippy, but you're right"
- Dave Gorman

"Wanna buy some pegs Dave?"
"I got some pegs belonging to you"
- Papa Lazarou

#13    j6p

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Posted 17 February 2003 - 02:41 AM

                                                This has gotten completly out of hand wacko.gif                                                


#14    SPAC3MAN

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Posted 06 March 2003 - 07:11 AM

                                                                     Content of the Universe:
  - - - - - -   4% Atoms, 23% Cold Dark Matter, 73% Dark energy
^
^
^
^- >
dude! this is wrong. first of all everything in the universe is made up of atoms. NOT 4%  - 2ND - there is no such thing is - ''COLD'' - DARK matter. -3RD-dark energy, is ----- DARK MATTER -- u cant separate  that as if its diffrent from the other.-4TH- our universe is made up mostly of DARK MATTER -  90% -   not 1 %. blink.gif

ph34r.gif
--simple  Algebra two negative = positve. so it is reasonable to think that the X is the ((?)) &  dark matter is the is _(+)_ (- + - = positive) can hold a fLow of structure & mass, so in theory we are made from -DARK MATTER-.  why not seems evrything that powered our galaxies is DARK MATTER.      blink.gif                                                  


#15    Homer

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Posted 06 March 2003 - 02:48 PM

                                                  Spaceman,

You said: "first of all everything in the universe is made up of atoms. NOT 4%”
All the mass of the universe is made up of atoms, but its not known if all of the universe is made of mass. For example, neutrinos are one of the most abundant particles in the universe, and its not known whether they have mass or not.

You said: “there is no such thing is - ''COLD'' - DARK matter”
This is incorrect, as there is cold and hot dark matter.

You said: “dark energy, is ----- DARK MATTER -- u cant separate that as if its diffrent from the other”
They are different, and they have to separated.

You said: “our universe is made up mostly of DARK MATTER - 90% - not 1 %.”
True our universe is ABOUT 90% dark matter, but where did you get the 1%? I know j6p had the figures wrong, when he said that the universe was made up of 23% cold dark matter. What is more accurate is to say that of all dark matter, about a quarter of it is cold

You said: “so in theory we are made from -DARK MATTER-. why not seems evrything that powered our galaxies is DARK MATTER.”
Ummm, if we can see it, then it isn’t dark matter. So we are not made from dark matter. Although there is an abundance of dark matter in our galaxy, there is also an abundance of ‘regular’ matter                                                  

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