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Sir Roger Penrose proposes that the universe undergoes repeated cycles of expansion, decay, and rebirth, challenging the traditional notion of a singular Big Bang origin.

Renowned physicist Sir Roger Penrose, hailing from the University of Oxford and a co-recipient of the 2020 Nobel Prize in Physics, posits a fascinating theory regarding the universe’s cyclical nature. Contrary to prevailing notions, Penrose suggests that our universe has undergone numerous Big Bang events, with another impending in the future.

Penrose’s Nobel-winning contributions revolve around advancing mathematical frameworks that not only validate but also extend Albert Einstein’s general theory of relativity. Moreover, his investigations into black holes elucidated the phenomenon of gravitational collapse, wherein excessively dense entities converge into singularities, infinitely massive points.

Continue reading “The universe’s repeated rebirth and dying, controversial claim by Nobel Prize Winner” »

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Continue reading “What Was There Before the Big Bang? 3 Good Hypotheses!” »

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Most astrophysicists believe that 95% of the universe is dark stuff — dark matter and dark energy. We can’t see, feel, or hear it, but it’s supposedly all around us. NASA scientists recently proposed a new experiment to test what is going on with the dark stuff in our vicinity. The want to use four small spacecraft flying around the solar system in a tetrahedron formation to look for variations from Einstein’s theory of gravity. Let’s have a look.

Continue reading “Are we surrounded by dark energy? A spacecraft tetrad will look for it” »

Detecting dark energy with tetrahedral spacecraft.

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An exploration of the mystery of the Hubble Tension in Cosmology. My Patreon Page: https://www.patreon.com/johnmichaelgodierMy Event Horizon Channel:

The universe is still expanding at an accelerating rate, but it may have slowed down recently compared to a few billion years ago, early results from the most precise measurement of its evolution yet suggested Thursday.

While the preliminary findings are far from confirmed, if they hold up it would further deepen the mystery of dark energy—and likely mean there is something important missing in our understanding of the cosmos.

These signals of our universe’s changing speeds were spotted by the Dark Energy Spectroscopic Instrument (DESI), which is perched atop a telescope at the Kitt Peak National Observatory in the US state of Arizona.

Using AI and ALMA data, scientists create a groundbreaking 3D video of flares around our galaxy’s central black hole, offering new insights into its dynamic environment.

Scientists believe the environment immediately surrounding a black hole is tumultuous, featuring hot magnetized gas that spirals in a disk at tremendous speeds and temperatures. Astronomical observations show that within such a disk, mysterious flares occur up to several times a day, temporarily brightening and then fading away. Now a team led by Caltech scientists has used telescope data and an artificial intelligence (AI) computer-vision technique to recover the first three-dimensional video showing what such flares could look like around Sagittarius A* (Sgr A*, pronounced sadge-ay-star), the supermassive black hole at the heart of our own Milky Way galaxy.

Continue reading “Peering Into the Abyss: AI and Physics Unite to Unveil a Black Hole Flare in 3D” »

I found this on NewsBreak: Physicist Claudia de Rham: ‘Gravity connects everything, from a person to a planet’

The scientist on training as a diver, pilot and astronaut in order to understand the true nature of gravity, and why being able to describe what happens at the centre of a black hole is so important.