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nexcom28

01-09-2014 02:35 PM

Maths Wizards Inside

I can't believe so but do we have any maths wizards residing at gfy that understand any of the following?

Quote:

The acoustic features are detected at a significance of over 7σ in both the correlation function and power spectrum. Fitting for the position of the acoustic features measures the distance relative to the sound horizon at the drag epoch, rd, which has a value of rd,fid=149.28Mpc in our fiducial cosmology. We find DV=(1264±25Mpc)(rd/rd,fid) at z=0.32 and DV=(2056±20Mpc)(rd/rd,fid) at z=0.57. At 1.0 per cent, this latter measure is the most precise distance constraint ever obtained from a galaxy survey. Separating the clustering along and transverse to the line-of-sight yields measurements at z=0.57 of DA=(1421±20Mpc)(rd/rd,fid) and H=(96.8±3.4km/s/Mpc)(rd,fid/rd).

Penny24Seven

01-09-2014 02:43 PM

so what is it you need help with?

Penny24Seven

01-09-2014 02:45 PM

pie relates to the sum of H4k in alpha luna + space over time under wear = Bit 2 the coin

jmcb420

01-09-2014 03:13 PM

Quote:

Originally Posted by nexcom28 (Post 19939948)

I can't believe so but do we have any maths wizards residing at gfy that understand any of the following?

I'll be sorry for this... :helpme

Someone really wants to know how big the universe is, how fast it is expanding, at what speeds, and in what directions, and they are very, very, very smart... and they've developed a way to convey their findings in a manner that you need two or three PHDs to hope to understand.

As far as the math goes. No, I don't understand it, but I'm positive there's no simpler way to explain their findings than the way they did right there.

If I understood that, I wouldn't be hanging around here.

dyna mo

01-09-2014 03:17 PM

the universe is flat.

happyending

01-09-2014 03:34 PM

space.com

A team of researchers working with the Baryon Oscillation Spectroscopic Survey (BOSS) has determined the distances to galaxies more than 6 billion light-years away to within 1 percent accuracy ? an unprecedented measurement.

Vendzilla

01-09-2014 03:37 PM

Complex Physics about dark energy being used as a consent to measure the expansion of the universe
More here about it
http://livasperiklis.com/2014/01/09/...-mep29tmj-5b7/

nexcom28

01-09-2014 03:41 PM

Quote:

Originally Posted by Brian837 (Post 19939970)

pie relates to the sum of H4k in alpha luna + space over time under wear = Bit 2 the coin

Finally, someone talking sense!

Jel	01-09-2014 04:45 PM

Quote:

Originally Posted by nexcom28 (Post 19940071)

Finally, someone talking sense!

:1orglaugh :thumbsup

Vendzilla

01-09-2014 06:35 PM

Quote:

Originally Posted by pornopete (Post 19940097)

Does sound travel at a constant speed through all space? Wouldn't sound travel at different speeds through nebulas or gas vapours as they have different velocities?

Sound does not travel at a constant speed.

Under water is travels faster, denser the object, the faster sound travels thru it

jmcb420

01-09-2014 06:49 PM

Quote:

Originally Posted by pornopete (Post 19940097)

Does sound travel at a constant speed through all space? Wouldn't sound travel at different speeds through nebulas or gas vapours as they have different velocities?

They mean sound in the sense of radio waves and other electromagnetic signatures emitted by the stars within galaxies that we can detect here on Earth. In an absolute vacuum, those would travel at the speed of light. I don't imagine a nebula or debris cloud would slow them down very much.

stoka

01-10-2014 12:25 AM

sounds very impressive when you read it aloud

seeandsee

01-10-2014 08:27 AM

wizzard of oz is something you need to solve that

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