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Showing results for tags 'supernovae'.
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Tree rings may hold clues to impacts of distant supernovas on Earth University of Colorado at Boulder, November 11, 2020 https://www.sciencedaily.com/releases/2020/11/201111144400.htm Tree rings may hold clues to earthly impacts of distant supernovas https://www.sciencealert.com/traces-of-supernovae-could-be-locked-in-the-rings-of-ancient-trees https://sciencesprings.wordpress.com/2020/11/14/from-university-of-colorado-boulder-tree-rings-may-hold-clues-to-earthly-impacts-of-distant-supernovas/ The paper is; Brakenridge, G.R., Solar system exposure to supernova γ radiation. International Journal of Astrobiology, pp.1-14. Yours, Paul H.
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- c14
- dendrochronology
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Massive supernova could have made humans walk upright, study says. Researchers claim cosmic particles bombarded Earth’s surface at such high levels forests turned to savannah Phoebe Weston, The Independent https://www.independent.co.uk/news/science/massive-supernova-explosion-star-humans-walk-upright-hominins-space-news-adrian-melott-a8932966.html Researchers wonder if ancient supernovae prompted human ancestors to walk upright by University of Kansas https://phys.org/news/2019-05-ancient-supernovae-prompted-human-ancestors.html The paper is: Melott, Adrian L., and Brian C. Thomas. "From cosmic explosions to terrestrial fires?." arXiv preprint arXiv:1903.01501 (2019). https://arxiv.org/pdf/1903.01501.pdf Adrian L. Melott and Brian C. Thomas, "From Cosmic Explosions to Terrestrial Fires?," The Journal of Geology 0, no. 0 (-Not available-): 000. https://doi.org/10.1086/703418 https://www.journals.uchicago.edu/doi/10.1086/703418 Yours, Paul H.
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- cosmic particles
- cosmic rays
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