How does the universe hide its solid iron? - Chemical
2017年1月23日 · Iron-rich particles floating in the expanses between stars likely play a role in catalyzing the universe’s chemical evolution, but scientists are uncertain about the forms solid iron takes in ...
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Pure iron grains are rare in the universe | Science Advances - AAAS
Despite extensive astronomical observations and analyses of meteorites, insufficient amounts of Fe compounds, including iron oxides, sulfides, and carbides, have been detected to account …
- 作者: Yuki Kimura, Kyoko K. Tanaka, Takaya Nozawa, Shinsuke Takeuchi, Yuko Inatomi
- Publish Year: 2017
How does the universe store iron? | C&EN Global Enterprise
2017年1月23日 · Iron-rich particles floating in the expanses between stars likely play a role in catalyzing the universe’s chemical evolution, but scientists are uncertain about the forms solid …
- 作者: Matt Davenport
- Publish Year: 2017
Is there little metallic iron in the universe? | ISAS
2017年1月21日 · Previous studies based on observations of objects in the Galactic disk have suggested that, considering that iron in dust particles is present as iron oxide, iron carbide, …
Why is there so much iron? - Physics Stack Exchange
2019年3月17日 · The solar abundance of iron is a little bit more than a thousandth by mass. If we assume that all the baryonic mass in the disc of the Galaxy (a few $10^{10}$ solar masses) is …
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Pure iron grains are rare in the universe | Geology Page
2017年2月8日 · Pure iron grains in interstellar space are far rarer than previously thought, shedding new light on the evolution history of matters in the universe. Scientists are unsure …
Pure iron grains are rare in the universe - SpaceNews
2017年2月9日 · Pure iron grains in interstellar space are far rarer than previously thought, shedding new light on the evolution history of matters in the universe.
The chemical evolution of iron-peak elements with hypernovae
2020年6月24日 · We calculate the mean evolution of the iron-peak abundance ratios [(Cr, Mn, Co, Zn)/Fe] in the Galaxy, using modern supernova and hypernova (HN) chemical yields and a …
Pure iron grains are rare in the universe - spacedaily.com
Pure iron grains in interstellar space are far rarer than previously thought, shedding new light on the evolution history of matters in the universe. Scientists are unsure what form iron takes in …
How the universe's violent youth seeded cosmos with iron
2013年10月30日 · By detecting an even distribution of iron throughout a massive galaxy cluster, astrophysicists can tell the 10-billion-year-old story of how exploding stars and black holes …
