ASTRONOMERS FIND PART OF UNIVERSE’S MISSING MATTER

Ohio State University ^ | 02 February 2005 | News Office Staff

[PatrickHenry]

This looks like it's really significant.

[stainlessbanner]

bttt

[PatrickHenry]

Science Ping!

An elite subset of the Evolution list.

See list's description in my freeper homepage. Then FReepmail to be added/dropped.

[San Jacinto]

They looked under my daughter's bed and there it was--along with a whole bunch of other crap.

[RockinRight]

ASTRONOMERS FIND PART OF UNIVERSE’S MISSING MATTER

Apparently, it was trapped between Hillary Clinton's thighs.

[cripplecreek]

I didn't take it.

[hawkaw]

Thanks and very interesting!

[nikos1121]

HAHAHAHAHA!!!

NIKOS

[isthisnickcool]

If anything else is missing I bet it's in some womans purse. You can look and look in a womans purse and never find what you are after. But hand the darn thing to the owner and whatever you need gets pulled right out.

HUBBY: "Honey, I've been looking for the secret to the Universe in your purse but can't find it!"

WIFE (rolling eyes): "It was right there! Here you go!"

[Semper Paratus]

The missing matter is THE variable as to whether the Universe is open or closed.

[general_re]

If it's anything like my daughter's bed, the universe's missing matter is largely composed of Barbie accessories and dust bunnies. Seems kind of anticlimactic.

[tallhappy]

The mass of the missing baryons in the X-ray forest of the warm–hot intergalactic medium

Recent cosmological measurements indicate that baryons comprise about four per cent of the total mass-energy density of the Universe, which is in accord with the predictions arising from studies of the production of the lightest elements. It is also in agreement with the actual number of baryons detected at early times (redshifts z > 2). Close to our own epoch (z < 2), however, the number of baryons detected add up to just over half ( 55 per cent) of the number seen at z > 2 (refs 6–11), meaning that about 45 per cent are 'missing'. Here we report a determination of the mass-density of a previously undetected population of baryons, in the warm–hot phase of the intergalactic medium. We show that this mass density is consistent, within the uncertainties, with the mass density of the missing baryons.

From First pp

[BigCinBigD]

"The missing matter is THE variable as to whether the Universe is open or closed."
I drove by the universe late last night and the lights were off. I just assumed it was closed.

[thecabal]

Found: 7 percent of the mass of the universe.

[tallhappy]

An elite subset of the Evolution list.

Aka smarmy morons.

Give it a rest, Bishop.

[PatrickHenry]

The missing matter is THE variable as to whether the Universe is open or closed.

I understand that estimates of how much matter exists, for the purpose of "closing" the universe, were simply done by taking the observed size (the volume determined by the Hubble radius) and observed estimates of the presence of matter (galaxies, etc.). But the so-called missing matter complicates such estimates. As does the recent observations that cosmic expansion is accelerating.

[randog]

...super-hot rivers of gas, invisible to the naked eye, surrounding galaxies like our own.

Does this mean we have to quit laughing at the ancients that believed in Aether (ether)?

[clamper1797]

I was expecting a picture of Michael Mooron

[JasonC]

The last bits in the article are a hack tower o spin. This does nothing to support exotic dark matter. It suggests that the amount of ordinary matter is what it was expected to be, in a relatively empty universe. All the "evidence" for exotic dark matter continues to rest on entirely dubious static galaxy gravity only models, aka people not haven't the slightest clue why galaxy rotation curves remain flat out to long distances. It is much more likely our theories of galactic evolution are simply wrong. It is less likely than that, but still much more likely than strange dark matter, that our theory of gravity is flawed on large scales (as we know it is at small ones).

[VadeRetro]

Found: 7 percent of the mass of the universe. Missing since: 10 billion years ago.

Did it have my socks in it? The ones that weren't in the dryer when I took my stuff out?