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Astronomers Gear Up to Grapple with the High-Tension Cosmos – Scientific American
A debate over conflicting measurements of key cosmological properties is set to shape the next decade of astronomy and astrophysics By Anil Ananthaswamy, April 18, 2022 How fast is the universe expanding? How much does matter clump up in our cosmic neighborhood? Different methods of answering these two questions—either by observing the early cosmos and…
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Measuring Distances in Cosmology – Explaining Science
By Steve Hurley, Posted on December 1, 2021 I have recently written an article for my local amateur astronomical society about distance measurements in cosmology. There is a lot of confusion about what we mean by “distance” on the vast such scales and the article was written to help clear up of these misunderstandings. It…
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BBC – Earth – Why is there something rather than nothing?
Some physicists think they can explain why the universe first formed. If they are right, our entire cosmos may have sprung out of nothing at all… via BBC – Earth – Why is there something rather than nothing?.
