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Ancient star likely created from a colossal hypernova explosion -- Science & Technology -- Sott net
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It s called a magneto-rotational hypernova, and it might have solved a mystery
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We found a new type of stellar explosion that could explain a 13-billion-year-old mystery of the Milky Way’s elements
PTI | Canberra | Updated: 09-07-2021 12:52 IST | Created: 09-07-2021 12:52 IST
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By David Yong, Australian National University and Gary Da Costa, AustralianNational University Canberra (Australia), Jul 9 (The Conversation) Until recently it was thought neutron star mergers were the only way heavy elements (heavier than Zinc) could be produced. These mergers involve the mashup of the remnants of two massive stars in a binary system.
But we know heavy elements were first produced not long after the Big Bang, when the universe was really young. Back then, not enough time had passed for neutron star mergers to have even occurred. Thus, another source was needed to explain the presence of early heavy elements in the Milky Way.
Ultra rare hypernova star explosion detected in Milky Way for the first time
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We Found A New Type Of Stellar Explosion That Could Explain A 13-Billion-Year-Old Mystery Of The Milky Way’s Elements
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Published 3 hours ago:
July 9, 2021 at 10:00 am
Until recently it was thought neutron star mergers were the only way heavy elements (heavier than Zinc) could be produced. These mergers involve the mashup of the remnants of two massive stars in a binary system.
But we know heavy elements were first produced not long after the Big Bang, when the universe was really young. Back then, not enough time had passed for neutron star mergers to have even occurred. Thus, another source was needed to explain the presence of early heavy elements in the Milky Way.