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Squeeze enough stuff into one spot, space-time itself will pucker up in a sweet cosmic kiss known as a black hole.

As far as Einstein’s sums are concerned, that ‘stuff’ includes the massless glow of electromagnetic radiation. Given E = mc², which describes the equivalence between mass and energy, the energy of light itself should – in theory – be capable of creating a black hole if enough of it is concentrated in one spot.

Before you crack out the big-gun lasers and punch some holes into the Universe’s floorboards, there’s one thing researchers from the Complutense University of Madrid in Spain and the University of Waterloo in Canada want you to know.

What is Dark Energy? A mysterious substance that fills space and causes it to expand is Dark Energy .70% of the universe’s energy is in the form of ‘dark energy’

In late 2019, the previously unremarkable galaxy SDSS1335+0728 unexpectedly brightened, prompting astronomers to investigate the cause using data from various observatories, including the European Southern Observatory’s Very Large Telescope (ESO’s VLT).

The study, recently published in the journal Astronomy & Astrophysics, suggests an unprecedented event: the sudden awakening of the massive black hole at the galaxy’s core.

“Imagine you’ve been observing a distant galaxy for years, and it always seemed calm and inactive,” said Paula Sánchez Sáez, an astronomer at ESO.

Join my mailing list https://briankeating.com/list to win a real 4 billion year old meteorite! All.edu emails in the USA 🇺🇸 will WIN!Is the universe twice as old as we thought?Current estimates suggest that the Big Bang occurred 13.8 billion years ago. But today, we’re joined by Rajendra Gupta, a luminary in the field of cosmology who claims that the universe is actually 26.7 billion years old. I’ve invited him on the show so he can make a case for his claims!Professor Gupta is a theoretical physicist currently teaching astrophysics to senior undergraduate and graduate students at the University of Ottawa. His research focuses on astrophysics, cosmology, general relativity, the dynamics of the universe under evolutionary physical constants beyond the standard model, CMB, JWST, BAO, Big Bang nucleosynthesis, the large-scale structure and formation of galaxies, dark matter, and dark energy. To say I am thrilled to have him on the show for the second time would be an understatement. So, without further ado, let’s jump right in! Key Takeaways:

00:00 Intro.

01:50 Judging Rajendra’s paper.

Are scientists wrong about dark energy? It looks like that could be the case.

Let’s dive into some recent findings from DESI, or the Dark Energy Spectroscopic Instrument, to talk about its weird findings and how that might change our understanding of the universe.

Continue reading “New dark energy data could change our understanding of the universe” »

#blackhole Physics lecture video link, just click on the link for knowledge.

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George Mason is the home for the new $19.5 million NASA Landolt Space Mission. Led by the College of Science’s Peter Plavchan, with the College of Engineering and Computing, this mission will launch an artificial star in orbit to help scientists calibrate telescopes and measure brightness.

Two superluminous quasars, or active black holes at the centers of large galaxies, were found just 900 million years after the Big Bang — the earliest detection of a pair of merging quasars ever seen.

Scientists think they know what’s causing this unprecedented brightening.