Archive for the ‘cosmology’ category: Page 3

Oct 18, 2020

‘Spider’s web’ traps six galaxies around supermassive black hole

Posted by in category: cosmology

Scientists have spotted six galaxies that appear trapped in orbit around a supermassive black hole that astronomers are seeing as it was when the universe was less than a billion years old.

Oct 18, 2020

Nobel Prize in Physics Winner

Posted by in categories: biotech/medical, cosmology, physics

It’s unbelievable all that’s going on at the moment in astronomy” — DER SPIEGEL — international.

DER SPIEGEL: Wherever black holes are discussed, that picture is shown. And you are now telling us that we don’t really even know what it is?

Genzel: Exactly. It could be that we are looking at the shadow of a black hole, as it is commonly portrayed. But it could also be the outer wall of a jet that is coming directly at us at the speed of light. To know for sure, we need additional measurements. But we have a problem at the moment: the corona pandemic. Most Earth-based telescopes have been switched off.

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Oct 18, 2020

How Close Are We to Finding Dark Matter?

Posted by in category: cosmology

95% of our universe is missing.

Oct 16, 2020

Apparent evidence for Hawking points in the CMB Sky ★

Posted by in category: cosmology

ABSTRACT. This paper presents strong observational evidence of numerous previously unobserved anomalous circular spots, of significantly raised temperature, in the cosmic microwave background sky. The spots have angular radii between 0.03 and 0.04 rad (i.e. angular diameters between about 3° and 4°). There is a clear cut-off at that size, indicating that each anomalous spot would have originated from a highly energetic point-like source, located at the end of inflation – or else point-like at the conformally expanded Big Bang, if it is considered that there was no inflationary phase. The significant presence of these anomalous spots, was initially noticed in the Planck 70 GHz satellite data by comparison with 1000 standard simulations, and then confirmed by extending the comparison to 10 000 simulations. Such anomalous points were then found at precisely the same locations in the WMAP (Wilkinson Microwave Anisotropy Probe) data, their significance was confirmed by comparison with 1000 WMAP simulations. Planck and WMAP have very different noise properties and it seems exceedingly unlikely that the observed presence of anomalous points in the same directions on both maps may come entirely from the noise. Subsequently, further confirmation was found in the Planck data by comparison with 1000 FFP8.1 MC simulations (with l ≤ 1500). The existence of such anomalous regions, resulting from point-like sources at the conformally stretched-out big bang, is a predicted consequence of conformal cyclic cosmology, these sources being the Hawking points of the theory, resulting from the Hawking radiation from supermassive black holes in a cosmic aeon prior to our own.

Oct 14, 2020

Scientists Have Discovered The Formation of a New Type Of Black Hole

Posted by in categories: cosmology, innovation

Breakthrough! Scientists have discovered the formation of a new type of black hole in the universe.

Oct 14, 2020

Roger Penrose, Reinhard Genzel and Andrea Ghez bag the Nobel Prize for Physics

Posted by in categories: cosmology, education, physics

Congratulations from Ogba Educational Clinic.

The 2020 Nobel Prize for Physics has been awarded to Roger Penrose, Reinhard Genzel and Andrea Ghez for their work on black holes.

The prize is worth 10 million Swedish krona (about $1.1 million) and half goes to Penrose, with Genzel and Ghez sharing the other half of the prize.

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Oct 14, 2020

Astronomers Solve Mystery of a Galaxy Containing 99.99% Dark Matter

Posted by in category: cosmology

The mystery of a galaxy that shouldn’t have existed could now have a solution. Dragonfly 44, a faint galaxy that was found in 2016 to consist of 99.99 percent dark matter, has been closely re-examined, revealing a lower and more normal proportion of dark matter.

This would mean that we don’t have to revise our models of galaxy formation to try to figure out how they could have produced such an extreme outlier — everything is behaving completely normally, the researchers said.

“Dragonfly 44 (DF44) has been an anomaly all these years that could not be explained with the existing galaxy formation models,” said astronomer Teymoor Saifollahi of the Kapteyn Astronomical Institute in the Netherlands.

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Oct 13, 2020

Black hole kills star

Posted by in category: cosmology

Telescopes have captured the rare light flash from a dying star as it was ripped apart by a supermassive black hole.

Oct 13, 2020

Magnetic Levitation of Gas Clouds Near Black Holes Considered as Magnets

Posted by in category: cosmology

Magnetic fields are far stronger and more important than gravity in forming stars and galaxies. Contrary to black hole propaganda, magnetic fields increase in strength the nearer to the center. There just is not a gravity center of mass to earth based reality in outer space.

Oct 13, 2020

Black hole “crystals” as seeds of structure formation in the early Universe

Posted by in categories: cosmology, existential risks, particle physics

Circa 1994

It is generally accepted that structure formed in the matter dominated Universe, for obvious reasons. In this paper, we would like to suggest an alternate theory: that structure could have formed in the radiation dominated Universe if it was “protected” from destruction. This protection is envisioned as a “crystal”, of sorts, made up of primordial black holes (PBH’s), which form a cavitation into which any matter particles in the nucleosynthesis period of the Universe (around 100 seconds after the Big Bang) could have taken refuge. A sort of oasis in a sea of radiation. Such a scenario could solve several problems in cosmology, namely: how matter got a foot-hold over anti-matter in the Universe; the structure/galaxy formation problem; and possibly suggest ideas on the gamma-ray count and distribution.

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