Concept of White Hole and Big Bounce

Concept of White Hole and Big Bounce mind map
Context
Carlo Rovelli
Italian physicist
Author
Popular-science books
Latest work
"White Holes: Inside the Horizon"
Source: TH
White Holes vs. Black Holes
White holes
Considered opposite of black holes
Theoretical idea
Supported by math
Like movie running in reverse
Matter in black holes
Bounces back
Forms white hole
Predicted by quantum mechanics
Alters understanding
Space and time
Quantum Bounce Theory
Transition
Black holes to white holes
Via bounce
Suggestion
Universe from white hole
Creates Big Bang-like event
Implies "big bounce" origin
Concept of Time
Rovelli's view
Time not uniform
Discovered through relativistic effects
Passes differently
For different observers
Product of
Space-time
Influenced by gravity
Subject to quantum granular aspects
Space-Time and Quantum Effects
Combination
Quantum mechanics
Gravity
Indication
Space-time might have granular aspects
Influenced by
"Time-steps"
Or atoms in space
Static entities shaping space

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newsbits mindmap notes

Malligyong-1

/ Korea, Space
Quasar mind map   Recent News     Astronomers find universe's brightest object       Black hole devouring a sun a day     Brightest known object in universe discovered       Hiding in plain sight for decades     Universe's hungriest black hole       Powers the brightest light in space     Universe’s brightest object       Quasar fueled by huge black hole   When     Discovered in 1963     Peak epoch 10 billion years ago   Why     Powered by gas spiraling into supermassive black holes   What     Extremely luminous active galactic nucleus (AGN)     Also known as quasi-stellar object (QSO)     Emission powered by supermassive black hole       Millions to tens of billions of solar masses       Surrounded by gaseous accretion disc     Energy release       Electromagnetic radiation across spectrum     Luminosities thousands of times greater than Milky Way     Redshifts of cosmological origin   Where     Centers of galaxies     Nearest known quasar       About 600 million light-years from Earth     Most distant known quasar       Over 13 billion years ago   Who     Hong-Yee Chiu coined term "quasar"     Key people       Allan Sandage       Margaret Burbidge       Maarten Schmidt       Halton Christian Arp   How     Gas spirals around, heats up, emitting radiation     Visible and ultraviolet light from glowing disk     X-ray energies from hot gas above disk     Jets emit radio waves to X-rays     Dust and gas glow at infrared wavelengths   Significance     Outshine all stars in their galaxies     Visible even at billions of light-years     Help understand early universe   Challenges     Difficult to resolve structures within quasar     Details up for debate, picture may change   Way Forward     Continued observation and research       Hubble Space Telescope       James Webb Space Telescope

Quasar

/ Space
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