Astronomy
Physics
Project-independent assessment
Edit summary: no longer orphan; the range of black hole mass has 300 Myr as its upper limit, see the added reference and discussion
77.19% of edit
https://lib.pusan.ac.kr/medlib/resource/e-article/?app=eds&autocorrect=n&autosuggest=n&highlight=y&includefacets=y&includeimagequickview=n&mod=list&page_number=2&pagenumber=1&query_string=query-1%3DAND%2CAU%3ARichards+K&refine=y&resultsperpage=20&searchmode=all&sort=relevance&view=brief
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