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Cosmology and Dark Matter
Cosmology and Dark Matter in Astronomy: the news, the names and what changed.
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Latest in Cosmology and Dark Matter
Known physics suggests the early universe should have produced matter and antimatter in equal amounts. Nearly all of it annihilated into radiation, but roughly one extra matter particle survived for every billion pairs—and why that tiny imbalance existed remains one of physics’ deepest unsolved problems.
4+ hour, 58+ min ago (906+ words) The measured net baryon-to-photon ratio is about 6.1 parts in ten billion. Physics can describe the required ingredients for that excess, but no confirmed mechanism made it....
A New Catalog of Close to 3,000 Supernova Challenges Theories on Dark Energy
5+ hour, 34+ min ago (88+ words) The most comprehensive catalogue of exploding white dwarf stars ever assembled has revealed new clues about dark energy, the mysterious force driving the universe’s accelerating expansion....
The Universe Has Been Taking Notes
1+ hour, 24+ min ago (67+ words) Unfortunately, most of them are about us. There is something deeply impressive about humanity. We can map distant galaxies, build machines that answer almost every …...
The Universe Changed Its Mind About Expansion
2+ hour, 48+ min ago (29+ words) For billions of years, expansion slowed. Then something changed. About six billion years ago, the Universe crossed a strange cosmic threshold. Nothing …...
Scientists Detect a Mysterious Signal That Could Be Dark Matter
17+ hour, 6+ min ago (509+ words) A mysterious signal deep underground may offer LUX-ZEPLIN its most intriguing clue to dark matter yet. For nearly a century, scientists have been trying to identify dark matter, the mysterious material believed to account for about 85% of all matter in…...
Physicists Just Turned The Entire Planet Into a Dark Matter Detector – And Strange Signals Kept Turning Up
11+ hour, 28+ min ago (218+ words) Physicists have conducted a worldwide hunt for dark matter....
A Faint Stellar Stream Outside the Milky Way Is Revealing Hidden Dark Matter — Curiosmos
20+ hour, 12+ min ago (516+ words) An ancient star cluster is slowly coming apart in a galaxy 115 million light-years away. The thin trail it left behind is giving astronomers a new way to study dark matter beyond the Milky Way. Astronomers have identified the first stellar…...
Gravity and Phase (Hypothesis)
1+ day, 31+ min ago (13+ words) (A Speculative Concept). “Gravity and Phase (Hypothesis)” is published by Prasanth Retnakaran Saraswathy....