Wednesday, March 24, 2021

Black Holes: Reaching for Singularity

Conceptual impressions surrounding this post are yet to be substantiated, corroborated, confirmed or woven into a larger argument, context or network.



“Using the National Science Foundation's Karl G. Jansky Very Large Array (VLA) in New Mexico, astronomers found that the jet is channeled by a corkscrew-shaped magnetic field that stretches nearly 3,300 light-years from M87's central black hole. This is the longest magnetic field yet detected in a galactic jet, according to a statement from the National Radio Astronomy Observatory, which operates the VLA. 

"By making high-quality VLA images at several different radio wavelengths of the galaxy Messier 87 (M87), we were able to reveal the 3-dimensional structure of the magnetic field in this jet for the first time," Alice Pasetto, lead author of the study and an astronomer at the National Autonomous University of Mexico, said in the statement. "The material in this jet traces a double helix, similar to the structure of DNA." 

BLACK HOLE JET BOASTS DOUBLE HELIX STRUCTURE MOLDED BY POWERFUL MAGNETIC FIELDS

https://www.space.com/m87-black-hole-jet-double-helix-structure 



Black Holes

black hole | ˈˌblak ˈhōl | nounAstronomy a region of space having a gravitational field so intense that no matter or radiation can escape. Black holes are probably formed when a massive star exhausts its nuclear fuel and collapses under its own gravity. If the star is massive enough no known force can counteract the increasing gravity, and it will collapse to a point of infinite density. Before this stage is reached, within a certain radius (the event horizon) light itself becomes trapped and the object becomes invisible.

singularity noun (plural singularities)    1 the state, fact, quality, or condition of being singular:  Physics & Mathematics a point at which a function takes an infinite value, especially in space-time when matter is infinitely dense, as at the center of a black hole.  (usually the singularity) a hypothetical moment in time when artificial intelligence and other technologies have become so advanced that humanity undergoes a dramatic and irreversible change:  

gravitational wave noun Physics an energy-carrying wave propagating through a gravitational field, produced when a massive body is accelerated or otherwise disturbed. Gravitational waves were first postulated by Einstein in 1916: experimenters report the first detection of a phenomenon that has been long predicted: bursts of gravitational waves generated by cosmic collisions of black holes.


" To make a galaxy, you need stars, which are born out of gas clouds, but also an invisible substance called dark matter, which acts as a glue to keep stars from flying away from the galaxy. If the dark matter’s “halo” structure grows quickly early in its life, the formation of stars is stifled. Instead a massive black hole can form before the galaxy takes shape. Black holes ravenously eat gas that would have otherwise produced new stars, and become larger and larger. 

It was only in these overly-dense regions of the universe that we saw these black holes forming,” Wise said. “The dark matter creates most of the gravity, and then the gas falls into that gravitational potential, where it can form stars or a massive black hole.”

NEW RESEARCH SOLVES KEY MYSTERY IN THE BIRTH OF MASSIVE BLACK HOLES  https://scitechdaily.com/new-research-solves-key-mystery-in-the-birth-of-massive-black-holes/



“The present issues from the past, and the future from the present. Everything is made one by this continuity. Time is like a circle, where all the points are so linked that one cannot say where it begins or ends, for all points precede and follow one another forever.” 

Hermes Trismegistus, Corpus Hermeticum 

accretion | əˈkrēSH(ə)nnoun  the process of growth or increase, typically by the gradual accumulation of additional layers or matter     a thing formed or added by gradual growth or increase:       Astronomy the coming together and cohesion of matter under the influence of gravitation to form larger bodies.accretion disk (British accretion disc) noun Astronomy  a rotating disk of matter formed by accretion around a massive body (such as a black hole under the influence of gravitation.)event horizon noun Astronomy  a theoretical boundary around a black hole beyond which no light or other radiation can escape.      a point of no return


RECORD BRAKING JET PARTICLES SPIED FROM A SUPSER MASSIVE BLACK HOLE IN THE EARLY UNIVERSE  https://scitechdaily.com/record-breaking-jet-of-particles-spied-from-a-supermassive-black-hole-in-the-early-universe/

“Young galaxies blaze with bright new stars forming at a rapid rate, but star formation eventually shuts down as a galaxy evolves. A new study, published January 1, 2018, in Nature, shows that the mass of the black hole in the center of the galaxy determines how soon this “quenching” of star formation occurs.

Every massive galaxy has a central supermassive black hole, more than a million times more massive than the sun, revealing its presence through its gravitational effects on the galaxy’s stars and sometimes powering the energetic radiation from an active galactic nucleus (AGN). The energy pouring into a galaxy from an active galactic nucleus is thought to turn off star formation by heating and dispelling the gas that would otherwise condense into stars as it cooled.

UC RESEARCHERS REVEAL BLACK HOLE REGULATE STAR FORMATION IN MASSIVE GALAXIES  https://scitechdaily.com/uc-researchers-reveal-black-hole-regulated-star-formation-in-massive-galaxies/?utm_source=TrendMD&utm_medium=cpc&utm_campaign=SciTechDaily_TrendMD_0

RESEARCHERS FIND THE ORIGIN AND MAXIMUM OF MASSIVE BLACK HOLES OBSERVED BY GRAVITATIONAL WAVE DETECTORS  https://scitechdaily.com/researchers-find-the-origin-and-maximum-mass-of-massive-black-holes-observed-by-gravitational-wave-detectors/ 

CHANDRA BLACK HOLE CLOSE-UP IMAGE MAKES HISTORY  https://scitechdaily.com/chandra-black-hole-close-up-image-makes-history/





Images: Black Holes of the Universe















QUICK "BANG" SIGNALS THE MOST MASSIVE GRAVITATIONAL-WAVE SOURCE EVER DETECTED https://scitechdaily.com/quick-bang-signals-the-most-massive-gravitational-wave-source-ever-detected/

GRAVITATIONAL WAVES SURGE THROUGH THE FABRIC OF SPACE AND TIME AFTER NEUTRON STARS VIOLENTLY COLLIDE https://scitechdaily.com/gravitational-waves-surge-through-the-fabric-of-space-and-time-after-neutron-stars-violently-collide/

ASTRONOMERS REVEAL FIRST DIRECT VISUAL EVIDENCE OF A SUPERMASSIVE BLACK HOLE https://scitechdaily.com/astronomers-reveal-first-direct-visual-evidence-of-a-supermassive-black-hole/


(TO BE CONTINUED)

Edited: 12.11.2021, 12.03.2022, 02.11.2023
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