Long-sought measurement of exotic beta decay in thallium helps extract the timescale of the sun's birth
Have you ever wondered how long it took our sun to form in its stellar nursery? An international collaboration of scientists ...
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Astronomers use JWST to study hydrodynamics and nucleosynthesis of jet-driven supernovae
The article is titled "Hydrodynamics and Nucleosynthesis of Jet-Driven Supernovae II: Comparisons with Abundances of Extremely Metal-Poor Galaxies and Constraints on Supernova Progenitors." ...
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If the Big Bang theory is correct, what exactly happened?
The Big Bang theory suggests that the universe began as a hot, dense point, expanding into the cosmos we observe today.
Nuclear Fusion Has Stumped Scientists for Decades. Here’s How We’ll Finally Unlock Its Limitless Energy.
If we figure out how to harness this effectively and efficiently, this is it. This is the end. This is the solution,” an expert tells us.
The Big Bang Is Beyond Doubt. An Expert Reveals Why.
When we go backwards in time through the history of the cosmos, the distances and volumes shrink, while the average energy ...
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A dark matter breakthrough? The case for primordial black holes
A recent study has proposed a new mechanism for the formation of primordial black holes that could provide answers about dark matter.
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The universe is significantly older than scientists previously thought
In a groundbreaking discovery, the James Webb Space Telescope (JWST) has presented data that directly challenges our current ...
Learning more about supernovae through stardust
More information: Nan Liu et al, Presolar Grains As Probes of Supernova Nucleosynthesis, arXiv (2024). DOI: ...
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Exotic Beta Decay in Thallium Unlocks Sun's Birth Timer
The ideal candidate is a radionuclide that is purely produced by the s-process and does not have pollutions from other nucleosynthesis processes. The "s-only" nucleus 205 Pb is the sole candidate that ...