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Before the Big Bang?
Our empirical observations of the universe provide evidence that the universe as we know it began in a instantaneous “explosion”, really an expansion, of space, matter, and energy around 13.7 billion...
View ArticlePre-Big Bang Universe Evidence Flawed
ScienceNews reports on Roger Penrose’s recent claim of evidence for an era of the universe existing before the Big Bang: “A startling claim that the cosmos existed before the Big Bang doesn’t appear to...
View ArticleHubble and the Humble Priest
When it comes to the history of astronomy, the name that comes to the front when discussing cosmology is always Edwin Hubble. His study of galactic redshifts famously demonstrated the expansion of the...
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Krauss Doesn’t Get Nothing
by Michael Baruzzini USA Today carries an article by science columnist Dan Vergano, discussing Lawrence Krauss’ new book A Universe from Nothing: Why There is Something Rather Than Nothing. Given...
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Black Holes and The Missing Lithium
Sky & Telescope‘s Camille Carlisle reports on the mystery of the “missing lithium.” Models of nucleosynthesis predict higher levels of the isotope lithium-7 than are currently observed in the...
View ArticleBBC: Father of the Big Bang
Something for the weekend: Joseph Pearce notes this BBC radio story on Monsignor Georges Lemaitre, the Catholic priest and mathematician/physicist who first worked out the initial idea of what we call...
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Planck’s New View of the Early Universe
This is the most detailed view yet obtained of the cosmic microwave background, the light that was released after the universe finally settled down enough for the first atoms to form and for light to...
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Short Notes on the Multiverse
Laura Mersini-Houghton writes in the latest issue of Nautilus in defense of the multiverse, offering, she says, empirical evidence for it. Her claims are, needless to say, controversial. Yet I would...
View ArticleEinstein’s “Conversion” to an Expanding Universe
From Springer Select, reporting on a new paper published in History & Philosophical Foundations of Physics: “[Einstein] then fiercely resisted the view that the universe was expanding, despite his...
View ArticleEinstein & the Steady State Universe
Following up on the post about Einstein’s early preference for a Steady State versus Big Bang cosmology, here’s a new story, also from Nature, describing a recently discovered draft written by Einstein...
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