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LIGO Neutron Star Merger Detection, Four LIGO Articles: Gravity Waves Shine Visible Light on Gold, Gamma Rays, and a Gravity Hole | High Sierra Backpacker

LIGO Neutron Star Merger Detection, Four LIGO Articles: Gravity Waves Shine Visible Light on Gold, Gamma Rays, and a Gravity Hole


Alex Wierbinski's picture

By Alex Wierbinski - Posted on 16 October 2017

 updates below

 

LIGO Neutron Star Merger Detection
Five LIGO Articles

Gravity Waves Shine Visible Light on the Creations of Gold, Gamma Rays, and a Gravity Hole

 

What

Two 11-billion year old super-dense neutron stars collide: A Kilonova is Born.
One thousand times brighter than normal nova explosions.

Neutron Star, Wiki

Binary Neutron Stars?

Wiki
"GW170817"

 

 

When

Detected on August 17, 2017.

 

Where

A galaxy called NGC 4993 in the constellation Hydra, 130 million light-years away.

Coordinates

13h 09m 48.08s
−23° 22′ 53.3″

Star Chart

 

Result

Gravity Wave detection locates collision site where visible light, creation of vast amounts of Gold & Silver, Gamma Rays, and a Gravity Hole are subsequently observed.

 

Quanta-NASA
Amazing Video

Neutron Star Collision Simulation
YouTube

 

 

Original Research

 Visible Light 
Crashing neutron stars observed for the first time,
WEIZMANN INSTITUTE OF SCIENCE, October 17, 2017.

GW170817, LIGO Neutron Star Collision
 NASA/JPL-Caltech.
"NASA's Spitzer Space Telescope has provisionally detected the faint afterglow of the explosive merger of two neutron stars in the galaxy NGC 4993. The event, labeled GW170817, was initially detected in gravitational waves and gamma rays. Subsequent observations by dozens of telescopes have monitored its afterglow across the entire spectrum of light. The event is located about 130 million light-years from Earth."

Image credit: NASA/JPL-Caltech

Spitzer Observes Neutron Star Collision,
JPL, October 16, 2017.

 

Gold 
Astronomers strike cosmic gold, confirm origin of precious metals in neutron star mergers,
UNIVERSITY OF CALIFORNIA - BERKELEY, October 16, 2017.

"Creating a mixture of precious metals and radioactive waste." Lots of precious metals: "The yield of gold alone was around 200 Earth masses, and that of platinum nearly 500 Earth masses."

 

Gamma Rays
LIGO confirms 1989 prediction about neutron star mergers producing gamma ray bursts,
THE HEBREW UNIVERSITY OF JERUSALEM, October 16, 2017.

 

Gravity Hole
Gravitational waves + new clues from space reveal new way to make a black hole,
PENN STATE, October 16, 2017.

 

New
Added

November 14, 2018

A Bigger Neutron Star, Not a Black Hole?

Gravitational waves from a merged hyper-massive neutron star,
Royal Astronomical Society, November 11, 2018.

MAIN POINT

Merged into Black Hole?
“The initial observations of GW170817 suggested that the two neutron stars merged into a black hole...”

A New, Bigger Neutron Star
“...simultaneously picked up a descending ‘chirp’ lasting around 5 seconds. Significantly, this chirp started between the end of the initial burst of gravitational waves and a subsequent burst of gamma rays. Its low frequency (less than 1 KHz, reducing to 49 Hz) suggests the merged object spun down to instead become a larger neutron star, rather than a black hole.”

 

 

October 18, 2018

The Origin of Binary Neutron Stars LIGO Detected 

 

January 17, 2018

LIGO Data Fueling Advanced Analysis

Merging Neutron Stars Data Defines Neutron Size Limit

 

Oct 22

The Big Picture

Neutron-Star Collision Shakes Space-Time and Lights Up the Sky,
Quanta, October 16, 2017. 

 

October 25

Consequences

 Death Knell of Alt Gravity

Colliding neutron stars apply kiss of death to theories of gravity,
Primary alternative to dark matter can't deal with gravitational waves' speed.
Ars Technica, October 25, 2017.

Latest on Alt Grav Theories Failure

 

Dark Matter

Survey

Cyber-Survey

Particle Search

Universal Web Strand


Really need it? A function of a flawed expansion-galactic model?
(& more dark links)

 

Kilonova a new Standard Candle

Hubble Constant Refinement

Colliding Neutron Stars Could Settle Cosmology’s Biggest Controversy:
Newly discovered “standard sirens” provide an independent, clean way to measure how fast the universe is expanding.
Quanta, October 25, 2017.

Is this problem, like Dark Matter, a function of a "flawed" galactic-expansion model? Refinements from further LIGO Kilonova observations will show us why and where each of the previous methods of estimating the Hubble Constant were accurate, and where they went wrong. This should help us clean up our galactic evolution model.

 

Hubble Telescope Refining Hubble Constant

 

 

Top

 

 

Previous
LIGO

Black Holes Eating Each Other

Two Reports: Three LIGOS Triangulate on Source of Gravity Wave

 

Added
April 18, 2019
Computer Simulation

Two Black Holes Merge into One,
Ligo Lab Caltech; MIT, Feb 11, 2016, YouTube.

 

 

LIGO Detector and Gravity Detection

 

 

More Grav Ripple Detection
LIGO Next Step?

International Pulsar Timing Array:
Says they will soon find Grav Ripples from Merging Supermassive Black Holes

 

 

 

Astro-Physics News

 

 

 

October 2017 High Sierra General News

 

 

 

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