top: clean up, typo(s) fixed: ’s → 's, a area → an area
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It produced a total [[kinetic energy]] of 9.59×10^49 ergs and an [[injection energy]] of 8.93×10^49 ergs. There was only 0.26 solar masses of supernova ejecta with 2.2×10^-2 solar masses of [[Isotopes of nickel|Nickel-56]].<ref name=”:0″ /><ref>{{Cite web |last=Nowakowski |first=Tomasz |title=Astronomers report discovery of the closest ultrastripped supernova: SN 2021agco in UGC 3855 |url=https://phys.org/news/2023-10-astronomers-discovery-closest-ultrastripped-supernova.html |access-date=2025-11-14 |website=phys.org |language=en}}</ref>
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It produced a total [[kinetic energy]] of 9.59×10^49 ergs and an [[injection energy]] of 8.93×10^49 ergs. There was only 0.26 solar masses of supernova ejecta with 2.2×10^-2 solar masses of [[Isotopes of nickel|Nickel-56]].<ref name=”:0″ /><ref>{{Cite web |last=Nowakowski |first=Tomasz |title=Astronomers report discovery of the closest ultrastripped supernova: SN 2021agco in UGC 3855 |url=https://phys.org/news/2023-10-astronomers-discovery-closest-ultrastripped-supernova.html |access-date=2025-11-14 |website=phys.org |language=en}}</ref>
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SN 2021agco exist within an unusual environment for Ultra-stripped Supernovas. The host galaxy ([[UGC 3855]]) is around 10.6 billion years old making it and the [[stellar population]] is has relatively old. That, with its low rate of [[star formation]], makes SN 2021agco located in
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SN 2021agco exist within an unusual environment for Ultra-stripped Supernovas. The host galaxy ([[UGC 3855]]) is around 10.6 billion years old making it and the [[stellar population]] is has relatively old. That, with its low rate of [[star formation]], makes SN 2021agco located in area where are not often found.<ref name=”:0″ />
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== References ==
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== References ==
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